Merge "Add UiEvent for the device starting to wake up" into udc-dev am: 95741003

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22955155



Change-Id: I7e374b84fec306ada990b1a396817852519ee1e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>