Merge "Don't change bucketing reason if app is already in better bucket." into...

Merge "Don't change bucketing reason if app is already in better bucket." into tm-dev am: 7950f77e am: a4225a22 am: f2af8619

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18496890



Change-Id: I8a91452873855941429f490c8a844417959983a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>