Fix build.

Change-Id: Ie7c2264764ae636090f419d0d8ba8eb14b2b5200
diff --git a/tests/tests/app/src/android/app/cts/InstrumentationTest.java b/tests/tests/app/src/android/app/cts/InstrumentationTest.java
index a2c8eb8..38c21a8e 100644
--- a/tests/tests/app/src/android/app/cts/InstrumentationTest.java
+++ b/tests/tests/app/src/android/app/cts/InstrumentationTest.java
@@ -39,6 +39,7 @@
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
+import android.view.SurfaceHolder;
 import android.view.View;
 import android.view.Window;
 import android.view.ViewGroup.LayoutParams;
@@ -955,6 +956,10 @@
             @Override
             public void togglePanel(int featureId, KeyEvent event) {
             }
+            
+            @Override
+            public void takeSurface(SurfaceHolder.Callback callback) {
+            }
         }
     }
 
diff --git a/tests/tests/view/src/android/view/cts/WindowTest.java b/tests/tests/view/src/android/view/cts/WindowTest.java
index 527f444..acd3c4e 100644
--- a/tests/tests/view/src/android/view/cts/WindowTest.java
+++ b/tests/tests/view/src/android/view/cts/WindowTest.java
@@ -44,6 +44,7 @@
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
+import android.view.SurfaceHolder;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
@@ -1243,6 +1244,10 @@
         public void setDefaultWindowFormat(int format) {
             super.setDefaultWindowFormat(format);
         }
+        
+        @Override
+        public void takeSurface(SurfaceHolder.Callback callback) {
+        }
     }
 
     private class MockWindowCallback implements Window.Callback {