Merge "Introduce Client Transient flag (1/n)" into udc-dev am: de6724e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22650986



Change-Id: Idea4a2a939cfb1034132b4902aaf09f81bd70807
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>