Add the .vtt type used for HTML5 video subtitles. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=132996392
Add the .vtt type used for HTML5 video subtitles.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132996392

xasx/guava,xasx/guava,Xaerxess/guava,berndhopp/guava,DavesMan/guava,typetools/guava,tli2/guava,typetools/guava,berndhopp/guava,EdwardLee03/guava,mosoft521/guava,DavesMan/guava,google/guava,google/guava,tli2/guava,EdwardLee03/guava,rgoldberg/guava,mosoft521/guava,mosoft521/guava,google/guava,rgoldberg/guava,Xaerxess/guava