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: Ie3dc6321853c152658d2bf13992727e0e8a44d1f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>