Merge "Merge "Make the system action API more clear with documentation" into...
Merge "Merge "Make the system action API more clear with documentation" into rvc-dev am: 3987ae1a am: 66f5db1e" into rvc-d1-dev-plus-aosp am: 9b902159
Change-Id: If05ae5b094402e44838a605aebf29e44471acb27