[automerge] Update content description for mute button 2p: f0f3c16e39

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/providers/MediaProvider/+/17123405

Bug: 223380019
Bug: 223500623
Bug: 223505312
Change-Id: Ib7905e79d690ee2ccc6d0bf050629777845b5e73