Add ability to transition parent hierarchy in layout transitions

This change compensates for changes in the parent hierarchy of
transitioning views. It automatically animates parents with the same
animations as those used for the CHANGING animations run on the container
children.

Change-Id: I86471d16a9070b024cc09c8f6e0f504a881fa99f
diff --git a/api/current.txt b/api/current.txt
index 678e454..a51b649 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -1978,6 +1978,7 @@
     method public boolean isRunning();
     method public void removeChild(android.view.ViewGroup, android.view.View);
     method public void removeTransitionListener(android.animation.LayoutTransition.TransitionListener);
+    method public void setAnimateParentHierarchy(boolean);
     method public void setAnimator(int, android.animation.Animator);
     method public void setDuration(long);
     method public void setDuration(int, long);
@@ -21441,6 +21442,8 @@
     method public void setScaleY(float);
     method public void setScrollBarStyle(int);
     method public void setScrollContainer(boolean);
+    method public void setScrollX(int);
+    method public void setScrollY(int);
     method public void setScrollbarFadingEnabled(boolean);
     method public void setSelected(boolean);
     method public void setSoundEffectsEnabled(boolean);