[automerger skipped] [DO NOT MERGE] Revert "Enable mic & camera by default" am: d3ef31f0c3 am: 6ec3bd60cd -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12639107

Change-Id: Iaa7f2c56d0835e2b2961f4963f0e86f63f639cb2