Merge "Add context sync adb commands" into udc-dev am: 0ee96789 am: 172c7703 am: c70335ce

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22959088



Change-Id: I88bb1c926c3ef5a4a203092cb1664b0bc0c9ff7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>