- Re-layer layout so that the central controls end up on
top (and, more importantly, have preference for receiving
touch input) if the view is so small that elements start
to overlap. This requires splitting the background and
the controls themselves.
- Fix bug that could cause the scrubber to not be hidden
in minimal mode, if the mode is entered when the controls
are not visible.
- Fix positioning of minimal controls.
- Remove scrubber padding in minimal mode, since the scrubber
- Remove unused bar_gravity value.
PiperOrigin-RevId: 347008789
2accb41ef6