Merge "Update Lottie animations in Back gesture tutorial" into udc-dev am: b95182353d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23537267

Change-Id: Iec8dacfdfbbc33b66724480e4da02ed422538481
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>