aquilescanta c9ede15552 Relax string comparison in DASH parseContentProtection
... by making it case insensitive and null-tolerant for schemeId (as was before
adding playlist drm data merging).

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=174472123
2017-11-13 15:45:54 +00:00
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