Merge "Allow media keys to wake device for external keyboards." into udc-dev am: 1e86a780

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21779540



Change-Id: I4a1f82d6bc6411c5880d4e80a049196ce27b0ef2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>