Merge "Fix NPE from getting swipe pip to home animator finish transation after...

Merge "Fix NPE from getting swipe pip to home animator finish transation after the surface has been released" into tm-qpr-dev am: 53808c3e am: 4d5c11e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20712690



Change-Id: Iba1dd68988714e734c1160ea85d4a8be06892147
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>