RoboErik 38696ba77d Set the metadata rating correctly in RCC
We weren't setting the ratings in the new MediaMetadata from RCC.
This adds some code to set them correctly.

bug:18051829
Change-Id: I358eeb2b25b3fb9bd9a5d207eb3314bb2cdff25e
2014-10-20 09:48:13 -07:00
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