Merge "Stop removing all APP_STANDBY_BUCKET_CHANGED messages." into sc-dev am: 5b6a2aff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15331033

Change-Id: I5f693a14d6801104c8a2aafbb0f38b5b6f45d72b