Always show collapsed media on split shade

Whenever in split shade mode, the quick settings media player should
always be collapsed.

Test: pull down shade on split shade and regular modes with media
Fixes: 204450561
Change-Id: Ia604ae9c48c627c468550150a5e6a38a3793efe5
Merged-In: Ia604ae9c48c627c468550150a5e6a38a3793efe5