Merge "Don't update oom adj if there is no wakefulness change" into udc-dev am: 9f5c62cf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22352000



Change-Id: If9a28f4cc000317a9fff85a163ca7636f540ed6b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>