Merge "update doc with permissions needed for voice call capture." into nyc-dev
am: 29d499a2bd

* commit '29d499a2bde17e00ead5743a3d9d27e679a8329f':
  update doc with permissions needed for voice call capture.

Change-Id: I8dc7fa3328e89d8668ec255c5491fd44432baa92