Camera: Fix deadlock when querying for camera muting support am: 1646c3ce am: d681b0df am: e058decc

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

Change-Id: I7721e381d2d38b8a94f529a5da3ffee8c5e7a3aa