Fix ActivityView layout bug.

Child TextureView should be positioned at origin of ActivityView,
with matching width and height. Previously, a container's padding
would be applied twice for example.

Change-Id: Ie0be10614a45aede4207abf986721385d04d8c76
diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index ad38489..8acd19b 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -77,7 +77,7 @@
 
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
-        mTextureView.layout(l, t, r, b);
+        mTextureView.layout(0, 0, r - l, b - t);
     }
 
     @Override