Merge "PackageManager Handler Thread Priorities adjustment." into tm-dev am: 4d14072e am: f33ea976 am: aa45a8b0 am: 212f5cfb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17988785



Change-Id: I4d8219b181ed12e579e87c52ad0c4961b1b14132
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>