Remove resource shrinker reflection hack

Fixes: 294924503
Change-Id: Ic19bce20dd242af0ae197473b116d2f3b4043e44
diff --git a/src/main/java/com/android/tools/r8/utils/ResourceTracing.java b/src/main/java/com/android/tools/r8/utils/ResourceTracing.java
index f0bc26e..6e030ac 100644
--- a/src/main/java/com/android/tools/r8/utils/ResourceTracing.java
+++ b/src/main/java/com/android/tools/r8/utils/ResourceTracing.java
@@ -13,10 +13,9 @@
 import com.android.tools.r8.ResourceException;
 import com.android.tools.r8.ResourcePath;
 import com.android.tools.r8.origin.Origin;
+import com.android.tools.r8.utils.resourceshrinker.ResourceTracingImpl;
 import com.google.common.io.ByteStreams;
 import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.util.Collections;
 import java.util.List;
 
 public interface ResourceTracing {
@@ -54,19 +53,7 @@
   }
 
   static ResourceTracing getImpl() {
-    try {
-      Class<? extends ResourceTracing> implClass =
-          Class.forName("com.android.tools.r8.utils.resourceshrinker.ResourceTracingImpl")
-              .asSubclass(ResourceTracing.class);
-      return implClass.getConstructor().newInstance();
-    } catch (ClassNotFoundException
-        | NoSuchMethodException
-        | InstantiationException
-        | IllegalAccessException
-        | InvocationTargetException e) {
-      // Old gradle setup.
-      return new NoOpResourceTracingImpl();
-    }
+    return new ResourceTracingImpl();
   }
 
   static void copyProviderToConsumer(
@@ -106,30 +93,4 @@
       provider.finished(diagnosticsHandler);
     }
   }
-
-  class NoOpResourceTracingImpl implements ResourceTracing {
-
-    private AndroidResourceProvider provider;
-    private AndroidResourceConsumer consumer;
-
-    @Override
-    public List<LiveMethod> traceResourceId(int id) {
-      return Collections.emptyList();
-    }
-
-    @Override
-    public void done(DiagnosticsHandler diagnosticsHandler) {
-      ResourceTracing.copyProviderToConsumer(diagnosticsHandler, provider, consumer);
-    }
-
-    @Override
-    public void setProvider(AndroidResourceProvider provider) {
-      this.provider = provider;
-    }
-
-    @Override
-    public void setConsumer(AndroidResourceConsumer consumer) {
-      this.consumer = consumer;
-    }
-  }
 }
diff --git a/src/test/java/com/android/tools/r8/androidresources/ResourceShrinkerIntegrationTest.java b/src/test/java/com/android/tools/r8/androidresources/ResourceShrinkerIntegrationTest.java
deleted file mode 100644
index e234c69..0000000
--- a/src/test/java/com/android/tools/r8/androidresources/ResourceShrinkerIntegrationTest.java
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright (c) 2023, the R8 project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-package com.android.tools.r8.androidresources;
-
-import static org.junit.Assert.assertTrue;
-
-import com.android.tools.r8.TestBase;
-import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.TestParametersCollection;
-import com.android.tools.r8.ToolHelper;
-import com.android.tools.r8.utils.ResourceTracing;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameter;
-import org.junit.runners.Parameterized.Parameters;
-
-@RunWith(Parameterized.class)
-public class ResourceShrinkerIntegrationTest extends TestBase {
-
-  @Parameter(0)
-  public TestParameters parameters;
-
-  @Parameters(name = "{0}")
-  public static TestParametersCollection parameters() {
-    return getTestParameters().withNoneRuntime().build();
-  }
-
-  @Test
-  public void testResourceShrinkerClassAvailable() {
-    if (ToolHelper.isNewGradleSetup()) {
-      assertTrue(
-          ResourceTracing.getImpl().getClass() != ResourceTracing.NoOpResourceTracingImpl.class);
-    } else {
-      assertTrue(
-          ResourceTracing.getImpl().getClass() == ResourceTracing.NoOpResourceTracingImpl.class);
-    }
-  }
-}