Use kotlinc 2.0.20 as max supported and 1.8 as min-supported

This will move kotlinc 1.7 to our old bot testing.

Fixes: b/362425784
Change-Id: I64d55a03a6be9b8877907091c702e72c40860484
diff --git a/src/test/java/com/android/tools/r8/kotlin/lambda/KotlinLambdaMergingSingletonTest.java b/src/test/java/com/android/tools/r8/kotlin/lambda/KotlinLambdaMergingSingletonTest.java
index 988651b..ce259f2 100644
--- a/src/test/java/com/android/tools/r8/kotlin/lambda/KotlinLambdaMergingSingletonTest.java
+++ b/src/test/java/com/android/tools/r8/kotlin/lambda/KotlinLambdaMergingSingletonTest.java
@@ -4,12 +4,13 @@
 
 package com.android.tools.r8.kotlin.lambda;
 
+import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.KOTLINC_1_9_21;
+import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.KOTLINC_2_0_20;
 import static junit.framework.TestCase.assertEquals;
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
-import com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion;
 import com.android.tools.r8.KotlinTestBase;
 import com.android.tools.r8.KotlinTestParameters;
 import com.android.tools.r8.TestParameters;
@@ -70,13 +71,13 @@
         KotlinLambdasInInput.create(getProgramFiles(), getTestName());
     assertEquals(
         kotlinParameters.getLambdaGeneration().isInvokeDynamic()
-                && kotlinParameters.getCompilerVersion() == KotlinCompilerVersion.KOTLIN_DEV
+                && kotlinParameters.getCompilerVersion().isLessThanOrEqualTo(KOTLINC_2_0_20)
             ? 8
             : 2,
         lambdasInInput.getNumberOfJStyleLambdas());
     assertEquals(
         kotlinParameters.getLambdaGeneration().isInvokeDynamic()
-            ? (kotlinParameters.getCompilerVersion() == KotlinCompilerVersion.KOTLIN_DEV ? 0 : 6)
+            ? (kotlinParameters.getCompilerVersion().isLessThanOrEqualTo(KOTLINC_2_0_20) ? 0 : 6)
             : 7,
         lambdasInInput.getNumberOfKStyleLambdas());
 
@@ -99,9 +100,7 @@
   private void inspect(
       HorizontallyMergedClassesInspector inspector, KotlinLambdasInInput lambdasInInput) {
     // All J-style Kotlin lambdas should be merged into one class.
-    if (kotlinParameters
-        .getCompilerVersion()
-        .isLessThanOrEqualTo(KotlinCompilerVersion.KOTLINC_1_9_21)) {
+    if (kotlinParameters.getCompilerVersion().isLessThanOrEqualTo(KOTLINC_1_9_21)) {
       inspector.assertIsCompleteMergeGroup(lambdasInInput.getJStyleLambdas());
     } else {
       assertEquals(
diff --git a/src/test/java/com/android/tools/r8/kotlin/metadata/KotlinMetadataTestBase.java b/src/test/java/com/android/tools/r8/kotlin/metadata/KotlinMetadataTestBase.java
index e2339f6..055f31c 100644
--- a/src/test/java/com/android/tools/r8/kotlin/metadata/KotlinMetadataTestBase.java
+++ b/src/test/java/com/android/tools/r8/kotlin/metadata/KotlinMetadataTestBase.java
@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.kotlin.metadata;
 
+import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.KOTLINC_2_0_20;
 import static com.android.tools.r8.utils.FunctionUtils.ignoreArgument;
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static junit.framework.TestCase.assertNotNull;
@@ -181,13 +182,16 @@
 
   protected String unresolvedReferenceMessage(KotlinTestParameters param, String ref) {
     if (param.isKotlinDev()) {
+      return "unresolved reference 'class " + ref + "'";
+    } else if (param.getCompilerVersion().isGreaterThanOrEqualTo(KOTLINC_2_0_20)) {
       return "unresolved reference '" + ref + "'";
+    } else {
+      return "unresolved reference: " + ref;
     }
-    return "unresolved reference: " + ref;
   }
 
   protected String cannotAccessMessage(KotlinTestParameters param, String ref) {
-    if (param.isKotlinDev()) {
+    if (param.isNewerThanOrEqualTo(KOTLINC_2_0_20)) {
       return "cannot access 'class " + ref + " : Any'";
     }
     return "cannot access '" + ref + "'";
diff --git a/src/test/java/com/android/tools/r8/kotlin/metadata/MetadataRewriteInSealedClassTest.java b/src/test/java/com/android/tools/r8/kotlin/metadata/MetadataRewriteInSealedClassTest.java
index 24f257b..d6b8c34 100644
--- a/src/test/java/com/android/tools/r8/kotlin/metadata/MetadataRewriteInSealedClassTest.java
+++ b/src/test/java/com/android/tools/r8/kotlin/metadata/MetadataRewriteInSealedClassTest.java
@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.kotlin.metadata;
 
+import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.KOTLINC_2_0_20;
 import static com.android.tools.r8.utils.DescriptorUtils.descriptorToJavaType;
 import static com.android.tools.r8.utils.codeinspector.Matchers.isExtensionFunction;
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
@@ -178,8 +179,11 @@
   private String sealedClassErrorMessage() {
     if (kotlinParameters.isKotlinDev()) {
       return "a class can only extend a sealed class or interface declared in the same package";
+    } else if (kotlinParameters.is(KOTLINC_2_0_20)) {
+      return "extending sealed classes or interfaces from a different module is prohibited";
+    } else {
+      return "inheritance of sealed classes or interfaces from different module is prohibited";
     }
-    return "inheritance of sealed classes or interfaces from different module is prohibited";
   }
 
   private void inspectInvalid(CodeInspector inspector) {
diff --git a/src/test/testbase/java/com/android/tools/r8/KotlinCompilerTool.java b/src/test/testbase/java/com/android/tools/r8/KotlinCompilerTool.java
index 8b7b4dd..eb7eb2d 100644
--- a/src/test/testbase/java/com/android/tools/r8/KotlinCompilerTool.java
+++ b/src/test/testbase/java/com/android/tools/r8/KotlinCompilerTool.java
@@ -77,10 +77,11 @@
     KOTLINC_1_7_0("kotlin-compiler-1.7.0", KotlinLambdaGeneration.CLASS),
     KOTLINC_1_8_0("kotlin-compiler-1.8.0", KotlinLambdaGeneration.CLASS),
     KOTLINC_1_9_21("kotlin-compiler-1.9.21", KotlinLambdaGeneration.CLASS),
+    KOTLINC_2_0_20("kotlin-compiler-2.0.20", KotlinLambdaGeneration.INVOKE_DYNAMIC),
     KOTLIN_DEV("kotlin-compiler-dev", KotlinLambdaGeneration.INVOKE_DYNAMIC);
 
-    public static final KotlinCompilerVersion MIN_SUPPORTED_VERSION = KOTLINC_1_7_0;
-    public static final KotlinCompilerVersion MAX_SUPPORTED_VERSION = KOTLINC_1_9_21;
+    public static final KotlinCompilerVersion MIN_SUPPORTED_VERSION = KOTLINC_2_0_20;
+    public static final KotlinCompilerVersion MAX_SUPPORTED_VERSION = KOTLINC_2_0_20;
 
     private final String folder;
     private final KotlinLambdaGeneration defaultLambdaGeneration;