Merge "Introduce Client Transient flag (1/n)" into udc-dev am: de6724e24f am: eb165eefae

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

Change-Id: Ia06776447e26c1d35f63a9072c9a1544118e7fe3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>