Merge "Check system user is running process for dream logic." into tm-qpr-dev am: 78cc1a57

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21452263



Change-Id: I317e745a0dcd1f075df7eaca4ad42147bad03e03
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>