Merge "Defer service requests if the app hasn't finished startup" into udc-qpr-dev am: 9235147004 am: c13fcb02fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24281532

Change-Id: Ib6a61fe194da4a6e91c8fac30c26f4f938effed8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>