Only repackage classes if obfuscating

This mimicks the PG behavior and will therefore not confuse
developers adding -dontobfuscate for debugging.

Bug: 182543183
Change-Id: Ie7261f7e5e16368afaa71a56a74093a7204ad6b7
diff --git a/src/main/java/com/android/tools/r8/utils/InternalOptions.java b/src/main/java/com/android/tools/r8/utils/InternalOptions.java
index 7a99160..bd02d0f 100644
--- a/src/main/java/com/android/tools/r8/utils/InternalOptions.java
+++ b/src/main/java/com/android/tools/r8/utils/InternalOptions.java
@@ -570,8 +570,7 @@
 
   @Override
   public boolean isRepackagingEnabled() {
-    return proguardConfiguration.getPackageObfuscationMode().isSome()
-        && (isShrinking() || isMinifying());
+    return proguardConfiguration.getPackageObfuscationMode().isSome() && isMinifying();
   }
 
   @Override
diff --git a/src/test/java/com/android/tools/r8/repackage/RepackageDontObfuscateTest.java b/src/test/java/com/android/tools/r8/repackage/RepackageDontObfuscateTest.java
index ed79bfc..5ece41d 100644
--- a/src/test/java/com/android/tools/r8/repackage/RepackageDontObfuscateTest.java
+++ b/src/test/java/com/android/tools/r8/repackage/RepackageDontObfuscateTest.java
@@ -7,7 +7,6 @@
 import static com.android.tools.r8.shaking.ProguardConfigurationParser.FLATTEN_PACKAGE_HIERARCHY;
 import static com.android.tools.r8.shaking.ProguardConfigurationParser.REPACKAGE_CLASSES;
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndNotRenamed;
-import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assume.assumeTrue;
 
@@ -83,12 +82,10 @@
         .inspect(
             inspector -> {
               ClassSubject aClass = inspector.clazz(A.class);
-              // TODO(b/182543183): Should not be renamed.
-              assertThat(aClass, isPresentAndRenamed());
+              assertThat(aClass, isPresentAndNotRenamed());
             })
         .run(parameters.getRuntime(), Main.class, A.class.getTypeName())
-        // TODO(b/182543183): Should be able to find the class.
-        .assertFailureWithErrorThatThrows(ClassNotFoundException.class);
+        .assertSuccessWithOutputLines(EXPECTED);
   }
 
   public static class A {