Merge "Introduce Client Transient flag (1/n)" into udc-dev am: de6724e2 am: 2916b8f6 am: 6568ee5d

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



Change-Id: I97ba9b8d8e1a0ee87188aaaa77e578b0ee96c676
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>