Merge "Introduce Client Transient flag (1/n)" into udc-dev am: de6724e2 am: 955678b7 am: 659aac76

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



Change-Id: I6a5b9890051d27101adb4b33fa6c48441e15ec03
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>