Process the MediaProjectionEvent...

Process the MediaProjectionEvent PROJECTION_STARTED_DURING_CALL_AND_ACTIVE_POST_CALL to display the media projection stop dialog when a call ends.

Bug: 390343524

Test: atest OngoingActivityChipsViewModelTest HomeStatusBarViewModelImplTest MediaProjectionChipInteractorTest MediaProjectionManagerRepositoryTest  ShareToAppChipViewModelTest

Flag: com.android.media.projection.flags.show_stop_dialog_post_call_end
Design Doc: go/dd-stop-dialog-on-call-end

Change-Id: I9521b210de0d120391746a0dcd6b759de71ce10a