Merge "Introduce defaults to ActivityLaunchAnimator.Callback." into tm-qpr-dev am: 7da4acbb93

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20979113

Change-Id: Ieb28a2094cf31e04516519d862c9d8af3e9bce3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>