xuning / livekitAndroidXuningTest

* Switch sample to use LiveKit.create() and Room.connect()

* refactor view based sample

* Add private keyword

* Set primarySpeaker muteIndicator visibility

* Fixed primarySpeaker videoTrack, mute observer

* Add private keyword

* Set primarySpeaker muteIndicator visibility

* Don't run browser stack tests on PRs

* add in cache for actions

* update protocol repo

* Permission by identity

* remove jcenter and fix dependencies

* disable receiving stream when not in use

* cleanup

* Fix sending up updates when not automanaging video

* Fix compose visibility

* upgrade gradle

* Properly emit upon track subscription for audio/video flows

* Move VideoItem into SDK

* tests

* update visibility immediately

* handle visibility change from hidden

* surface view version

* clean up and readme update

* e2e test app

* instrumented video encode decode test

* browserstack in github actions

* fix yaml

* more action fixes

* more yml fixes

* test more codecs and control tests

* Optimize test some more

* fix supported codecs logging

* don't try simulcast encodings if using default

* clean as a part of build process

* Directly test if VP8/H264 is available for device

* update protocol

* add data channel info to syncstate

Add SNAPSHOT maven repo

Note for SNAPSHOT version access