Merge "Mute microphone when the mic privacy toggle is enabled" into sc-dev am: c7a5fdd8 am: 77e158e0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13762971

Change-Id: I3f64831e32d9ecbf7e0f62bd1c24b1a29aaff6f4