Merge "Watchdog:do not need add or clear operation when mMonitorQueue is...

Merge "Watchdog:do not need add or clear operation when mMonitorQueue is empty." into main am: 601d23ac

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3317114



Change-Id: Ib62c4a3be8e2d82bc3b357ec8a98a31ca439720e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>