hoangtc 56ff2ef598 Add getPlaybackLooper() to ExoPlayer v2.
A few components in ExoPlayer requires playback looper to operate (such as:
DrmSessionManager#acquireSession), so this CL add back getPlaybackLooper()
to facilitate such cases.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=159416012
2017-06-22 19:58:34 +01:00
..
2017-06-13 13:35:10 +01:00