[automerger skipped] Expand nuplayer mutex for mediametrics management am:...

[automerger skipped] Expand nuplayer mutex for mediametrics management am: 12ce8a9c am: e8f92b71 -s ours am: b7b552e5 -s ours am: 284841d9 -s ours

am skip reason: Change-Id Ia2e68ef616e249a6e8746b9068f22bd208a0ffc8 with SHA-1 e5767553 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11373388

Change-Id: Ifdeafbb85c06715b254c42d71dfaa87a28621882