Merge "Do not redraw if no change on reparent" into udc-dev am: d53107bd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23083577



Change-Id: I483ea6a698bbbc7f20e24122841739f180d17a9b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>