RemoteViews: fix BitmapCache after immutable Bitmap switch Test: widgets appear correctly Bug: 237256275 Change-Id: I864ac1ba8ac771c326dc215ae4e712ceb0b6057b (cherry picked from commit 4f359bd7655ba6d4f647bb62b877b721f25bbeb5) Merged-In: I864ac1ba8ac771c326dc215ae4e712ceb0b6057b