Merge "Add a flag for predictive back animation in Bouncer in Flags.kt." into...

Merge "Add a flag for predictive back animation in Bouncer in Flags.kt." into tm-qpr-dev am: 5ed56fcc am: 40558ad1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20846084



Change-Id: Ifff9dfbe8cabc93fd9ce5a3fc9c9909437028732
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>