base

Call removeOverlayView() before onRelease()

When the implementation of onRelease() hangs, removeOverlayView()
isn't called. In order to make sure that removeOverlayView() is called,
this CL changes the calling order of removeOverlayView() and onRelease().

Bug: 15097804
Change-Id: I8f998d57488d7bea7c3ba9ece08d6a7adfdebd49