Fix build

Change-Id: Ic7bb61c463d237f9ee5fabc8e7f7325ecf1da43c
diff --git a/tests/src/com/android/gallery3d/ui/GLRootMock.java b/tests/src/com/android/gallery3d/ui/GLRootMock.java
index 467edfc..b1c4355 100644
--- a/tests/src/com/android/gallery3d/ui/GLRootMock.java
+++ b/tests/src/com/android/gallery3d/ui/GLRootMock.java
@@ -16,6 +16,7 @@
 
 package com.android.gallery3d.ui;
 
+import android.content.Context;
 import android.graphics.Matrix;
 import com.android.gallery3d.anim.CanvasAnimation;
 
@@ -42,4 +43,5 @@
     public void freeze() {}
     public void unfreeze() {}
     public void setLightsOutMode(boolean enabled) {}
+    public Context getContext() { return null; }
 }
diff --git a/tests/src/com/android/gallery3d/ui/GLRootStub.java b/tests/src/com/android/gallery3d/ui/GLRootStub.java
index 0f3a001..7f134db 100644
--- a/tests/src/com/android/gallery3d/ui/GLRootStub.java
+++ b/tests/src/com/android/gallery3d/ui/GLRootStub.java
@@ -16,6 +16,7 @@
 
 package com.android.gallery3d.ui;
 
+import android.content.Context;
 import android.graphics.Matrix;
 import com.android.gallery3d.anim.CanvasAnimation;
 
@@ -35,4 +36,5 @@
     public void freeze() {}
     public void unfreeze() {}
     public void setLightsOutMode(boolean enabled) {}
+    public Context getContext() { return null; }
 }