A TvInputService app developers sometimes want to draw UI above a surface
playing TV. For this purpose, we add a window in TIS and allow developers to
attach their customized view on the TV surface.
Change-Id: I65c3dffa17580b8d4c42fac58bbfc8dad338c185
TvInputSession is not used anymore. Instead, TvInputManager.Session
and TvInputService.TvInputSessionImpl are used.
Change-Id: Id252afa76b4ef45f561b1d20095ee235a9fdccf8
This provides APIs to control and create individual television inputs on
the system which will later be hosted by television applications.
Change-Id: I6866d28e78175a1bff2c32a85c5d77e94d0cd60c
