Merge "Fix null-pointer exception in all set activity first reveal animation"...

Merge "Fix null-pointer exception in all set activity first reveal animation" into tm-qpr-dev am: 193f8992 am: 383c9509

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20486066



Change-Id: I2cfe3bde11e07d7ce7cb38cec52fb42d8357a84a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>