Merge "Merge "Add logging for zen mode events." into udc-dev am: 34bc8be6...

Merge "Merge "Add logging for zen mode events." into udc-dev am: 34bc8be6 am: 329e3657" into udc-d1-dev-plus-aosp am: 6c58cee4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22605299



Change-Id: Id8d7d8259125f1447a088d40d26ad6e66deacb49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>