Merge "Keep transparent drawable for clipping outline during launch animation" into sc-dev am: 66f1b57815 am: e08c377a72 am: 1db10e2a3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15284080

Change-Id: Ia8910421033e3b59bd83380df450a4edbddce47f