Rethrow MediaRouter2Manager RemoteExceptions am: 0541c4e942

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20008346

Change-Id: I6d54f53b7b2c3471adca472b8b2fe31145c29ed6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>