[automerger skipped] Expand nuplayer mutex for mediametrics management am: 86b46a20b2 -s ours am: 568580a2fd -s ours am: 369d738832 -s ours

am skip reason: Change-Id I75f29a6254c5eab5d4f524ee7a7ef59f93a0b405 with SHA-1 e99bcf2fa8 is in history

Original change: undetermined

Change-Id: I12490e454ce459e6b8acc4491fb92c73acbab1b4