Merge pull request AgoraIO#332 from AgoraIO/dev/4.1.1

Dev/4.1.1

Merge pull request AgoraIO#320 from AgoraIO/fix-NMS-5469

[Android]optimize pushExternalAudioFrame timestamp.

[Android]fix ci.

Add .gitignore to lib-screensharing

Merge pull request AgoraIO#304 from AgoraIO/dev/4.0.1

Dev/4.0.1

[Android/Windows]update rtc version online.

[Android]fix screen sharing dependencies problem

fix toast隐藏问题

feat: bump up sdk version

update sdk versions