f823fc4dba
Add support for metadata of a RemoteControlClient that can be updated: - methods to control which keys can be edited, - interface for an application to receive new values for a key. Add definitions for ratings. A rating is: - a value between 0 and 100 - or a value indicating there is no rating For a same piece of content, a rating can come from: - the user - "others" (i.e. not the user), to provide an average rating Rating styles are: - heart (a toggle) - thumb up / down - stars (with a configurable maximum number of stars) Rating by user is editable metadata. Bug 8440498 Change-Id: I1d45972f9ace4cb505ee0757e917f1d5dedd264e