Remove top and bottom parent constraint from album_art as it has a fixed height

As the height is fixed, the bottom constraint is not needed. With the new ConstraintLayout version they were causing a conflict that ended up making the media player with a smaller height.

Bug: 261475673
Test: QSMediaPlayerContent
Change-Id: Ia5373a624e1c597af8d4899f9743672df23c9c88