Merge "Add LogBuffer to SystemStatusAnimationScheduler" into udc-qpr-dev am: b1aa946049

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23727651

Change-Id: I85e3a8ce9614ec2c24183fd82ed80050a30f571c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>