Add media carousel to shade scene

Create a new composable, MediaCarousel, to handle placing the existing
media carousel view into the shade scene. ShadeScene replaces the existing
QQS media host location, but skips calculating view measurements in favor of\
the layout size provided by the scene framework

Bug: 296122467
Test: atest SystemUITests
Test: manual
Flag: ACONFIG com.android.systemui.media_in_scene_container DEVELOPMENT

Change-Id: If68e79fcfe71b6055708eac6250a58dfa0312561