Make camera compat freeform updates passive.

This allows to follow the same flow as other configuration updates -
previously `CameraCompatFreeformPolicy` would manualy update fields
it cares about and force notifying the listeners. Update with the
rest of the configuration makes it more consistent.

Flag: com.android.window.flags.enable_camera_compat_for_desktop_windowing
Fixes: 347864073
Fixes: 369082932
Test: atest WmTests:CameraCompatFreeformPolicyTests
Change-Id: Ib9d76ec4e4d8c3b7ba57b81c6da2c63468c54379