Disable partial screen sharing when media projection config is provided

An app can specify a particular display to capture by setting a new
screen capture intent extra.
When this extra is set, we should not show partial screen sharing - and
only allow the app to do display capture.

Fixes: 260248709
Test: atest PlatformScenarioTests:MediaProjectionPermissionTest
Change-Id: Ie91756179431bb84c718c51b7b478631bdd913d9