olly dcff063709 Fix DefaultTrackSelector bug + improve equals check
- clone() wasn't performing a deep enough copy
- Sort tracks in overrides to improve equals check

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194220596
2018-05-07 06:15:29 +01:00
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2018-05-07 06:13:24 +01:00