Merge "GameManagerService: Only apply game mode when the service is on the...

Merge "GameManagerService: Only apply game mode when the service is on the TOP" into udc-d1-dev am: c7d85952 am: 8e4bdb9c am: 3aba2301

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23814321



Change-Id: I3c22c70e4eb5eea5bcd312bc194933c1e6a82337
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>