Source code directories
- https://webrtc.googlesource.com/src/+/master/webrtc/sdk/android/api/org/webrtc
- https://webrtc.googlesource.com/src/+/master/webrtc/sdk/android/src/java/org/webrtc
- https://webrtc.googlesource.com/src/+/master/webrtc/rtc_base/java/src/org/webrtc
- https://webrtc.googlesource.com/src/+/master/webrtc/modules/audio_device/android/java/src/org/webrtc/voiceengine
- https://webrtc.googlesource.com/src/+/master/webrtc/examples/androidapp/