Merge "Issue scheduleWatchdog command on background thread" into udc-qpr-dev am: 137d739b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23898911



Change-Id: Ide09b97b080f30764bdb04e0e0ff234a181530e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>