Merge "Check connection state of media browser" into rvc-dev am: e4c1cb51 am: 5b7cf019 am: 1aa62edb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11852478

Change-Id: Ifbfc27c69b3c604f92f9cb2ec856836ebb5f168b