I missed this when fixing `positionInMs` for Dackka in aae6941981
This time I manually verified that all the `@Override` methods have
parameter names that match [the docs](https://developer.android.com/reference/androidx/leanback/media/PlayerAdapter).
#minor-release
PiperOrigin-RevId: 506017063
(cherry picked from commit d1a27bf2a81709bc7b03ad130bc9abd4d8b27164)
These warnings are caused by the fact that this is a library and the
lint check doesn't see any app using the library in a TV context.
PiperOrigin-RevId: 407110725
Where this introduced an inconsistency (e.g. assigning to something
called `windowIndex`), I generally renamed the transitive closure of
identifiers to maintain consistency (meaning this change is quite
large). The exception is code that interacts with Timeline and Window
directly, where sometimes I kept the 'window' nomenclature.
#minor-release
PiperOrigin-RevId: 407040052
