Change visibility of TvInputManager.Session.setSurface()

Change the visibility from package private to @hide public. This is
to enable use case of TvInputServices wrapping another
TvInputServices so that it can pass the Surface object it has to the
wrapped service.

Change-Id: Ib1cdc4992a26f2adca099077cb9fa7f8b41c3163
1 file changed