[automerger skipped] Expand nuplayer mutex for mediametrics management am: 12ce8a9cd4 am: e8f92b7183 -s ours

am skip reason: Change-Id I9c473e47e7eb8dce24399bcb24f82a3d2d583983 with SHA-1 8220d3f72c is in history

Original change: undetermined

Change-Id: I902bd921471f32a9098bc3db065673be6f1e7769