Validate if the IMediaProjection token (representing
the user's consent) is used to get more than one
MediaProjection instance, or if client app is trying to
invoke MediaProjection#createVirtualDisplay more than
once.
Re-show the permission dialog for target SDK below U.
Follow-on CLs will:
* Black out recording when waiting for consent
Bug: 274790702
Test: atest FrameworksServicesTests:MediaProjectionManagerServiceTest
Change-Id: I30c96d9a9afd69fba29314caeeb867f665bb83ad