Merge "Fix the processgroup creation failure due to race conditions" into udc-dev am: 9aad77c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23425042



Change-Id: I11123080f2762a9ff768a31a34fec3b935a02b0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>