zhihuichen b62eab63a4 Implement multi session to support DRM key rotation.
Spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_Android_Using_Key_Rotation.pdf

1. Implement multisession to support drm key rotation
2. Put MediaDrmEventListener back to manager since this is a per mediaDrm thing.
3. It seems diffrenciate between single/multi session is unnecessary.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=167602965
2017-09-06 15:45:22 +01:00
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ExoPlayer main demo

This is the main ExoPlayer demo application. It uses ExoPlayer to play a number of test streams. It can be used as a starting point or reference project when developing other applications that make use of the ExoPlayer library.