Merge "Merge "Merge "MediaRouter2ServiceImpl: Remove unnecessary notification to managers" into rvc-dev am: 135779c8bd am: a9e472069b" into rvc-d1-dev-plus-aosp am: a376f554cd" into rvc-qpr-dev-plus-aosp am: 0023d92d52

Change-Id: Ie050841aae1225f72d5700520fb60ca5af7a29c9