Merge "Check if the pending cold start is valid periodically." into udc-dev am: e05dc57f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23347341



Change-Id: Idff7a6bab7064c0b7566a019e83c89b254148e00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>