Merge "Add presubmit tests to gate ActivityManager and OomAdjuster changes."...

Merge "Add presubmit tests to gate ActivityManager and OomAdjuster changes." into udc-dev am: 3df941d5 am: cc091209

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21960720



Change-Id: I0721856a44e9ed4679b5b100cc755413ee7dc141
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>