* Added JSON datafiles for TV shows and music videos
* Implemented instrumentations tests for MoviesActivity, MusicActivity,
TVShowActivity, and AddonsActivity.
* Moved RestoreSearchQueryViewPagerTest to music package as it uses
the MusicActivity
* Moved RestoreSearchQueryListFragmentTest to movies packages as it
uses the MoviesActivity
* Added scripts to get JSON data for music videos, addons, and TV shows
* Added sequence diagram for BaseMediaActivity to clarify new setup
* Refactored BaseMediaActivity to comply with diagram
* Refactored SyncMusicVideos and SyncTVShows so we can use the same code
for adding test data as we use for adding real data.
* Removed unused StringBuffer and synchronize block in MockTcpServer
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