[automerger skipped] Expand nuplayer mutex for mediametrics management am: 8220d3f72c -s ours am: d95af0cdc1 -s ours am: 6bd783737b -s ours am: 281fd536bb -s ours

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

Original change: undetermined

Change-Id: Ib44a3b9a5ffcf6a62dd1d52bf22b284355abf64b