cherrypick Change-Id: I213711f4b5d867ba91c961a2f098b6cc415cfcb3
docs: clarify framelayout class summary, issue 5055437

Conflicts:

	core/java/android/view/View.java
	core/java/android/widget/FrameLayout.java

Change-Id: Ia446d2d4cc798757d7aea104cfaf75fc2315dc50
2 files changed