diff --git a/test-base/Android.bp b/test-base/Android.bp
index 69c296e..c7c9fc7 100644
--- a/test-base/Android.bp
+++ b/test-base/Android.bp
@@ -38,6 +38,7 @@
     ],
 
     compile_dex: true,
+    default_to_stubs: true,
 }
 
 // Build the android.test.base_static library
diff --git a/test-mock/Android.bp b/test-mock/Android.bp
index 248c117..7d0f92f 100644
--- a/test-mock/Android.bp
+++ b/test-mock/Android.bp
@@ -37,6 +37,7 @@
         "android.test.mock",
     ],
     compile_dex: true,
+    default_to_stubs: true,
 }
 
 // Make the current.txt available for use by the cts/tests/signature tests.
diff --git a/test-mock/src/android/test/mock/MockContentProvider.java b/test-mock/src/android/test/mock/MockContentProvider.java
index e9a5ff7..3206adc 100644
--- a/test-mock/src/android/test/mock/MockContentProvider.java
+++ b/test-mock/src/android/test/mock/MockContentProvider.java
@@ -29,6 +29,7 @@
 import android.content.res.AssetFileDescriptor;
 import android.database.Cursor;
 import android.net.Uri;
+import android.os.Binder;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.ICancellationSignal;
@@ -282,7 +283,7 @@
      * @hide
      */
     public IBinder getIContentProviderBinder() {
-        throw new UnsupportedOperationException("unimplemented mock method");
+        return new Binder();
     }
 
     /**
diff --git a/test-runner/Android.bp b/test-runner/Android.bp
index 75f5b5a..1f6db84 100644
--- a/test-runner/Android.bp
+++ b/test-runner/Android.bp
@@ -41,6 +41,7 @@
     ],
 
     compile_dex: true,
+    default_to_stubs: true,
 }
 
 // Build the android.test.runner-minus-junit library
diff --git a/test-runner/api/current.txt b/test-runner/api/current.txt
index 2c19a2e..5407b68 100644
--- a/test-runner/api/current.txt
+++ b/test-runner/api/current.txt
@@ -78,6 +78,7 @@
 
   @Deprecated public class InstrumentationTestRunner extends android.app.Instrumentation implements android.test.TestSuiteProvider {
     ctor @Deprecated public InstrumentationTestRunner();
+    method @Deprecated protected void addTestListener(junit.framework.TestListener);
     method @Deprecated public junit.framework.TestSuite getAllTests();
     method @Deprecated protected android.test.AndroidTestRunner getAndroidTestRunner();
     method @Deprecated public android.os.Bundle getArguments();
diff --git a/test-runner/src/android/test/InstrumentationTestRunner.java b/test-runner/src/android/test/InstrumentationTestRunner.java
index b2582c1..07e3f87 100644
--- a/test-runner/src/android/test/InstrumentationTestRunner.java
+++ b/test-runner/src/android/test/InstrumentationTestRunner.java
@@ -410,7 +410,6 @@
 
     /**
      * Add a {@link TestListener}
-     * @hide
      */
     protected void addTestListener(TestListener listener){
         if(mTestRunner!=null && listener!=null){