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

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

Original change: undetermined

Change-Id: Icc5fc6ea2be2b84ecf9255a5f11bb92537148d4a