am "am 5c6476aa: Merge "docs: Android 5.1 API Release notes (Lollipop MR1)" into lmp-mr1-dev"

merged from goog/mirror-m-wireless-internal-release
622c011 am 5c6476aa: Merge "docs: Android 5.1 API Release notes (Lollipop MR1)" into lmp-mr1-dev