[automerger skipped] Expand nuplayer mutex for mediametrics management am: 86b46a20b2 -s ours

am skip reason: Change-Id Ia2e68ef616e249a6e8746b9068f22bd208a0ffc8 with SHA-1 e5767553f5 is in history

Original change: undetermined

Change-Id: Id177d437f7c92146c26da5df78ea95fb4c6fa374