Update heights when QQS height changes

When the height of QQS changes (usually due to media changes), trigger a
callback in QuickSettingsControllerImpl to trigger update on the
heights.

With this, we don't need to react specially in the media visibility
callback.

Test: manual, add and remove media, observe notif stack
Test: atest QuickSettingsControllerImpl
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Fixes: 409702452
Change-Id: I41f12d4082d0fea53a767b3bc7cb438650cd6797