Camera: Fix deadlock when querying for camera muting support am: 1646c3ce am: 1e3da07d am: 52c96aab

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15422343

Change-Id: Idd7b9f163e644cc9e8e37e65fb822a89e367246a