Partial Screenshare Opt-Out Override

Adding an per-app override that ensures that the single app option will always be shown in the MediaProjectionPermission dialog - overriding the use of MediaProjectionConfig.CreateConfigForDefaultDisplay()

Bug: 316897322
Flag: None
Test: atest packages/SystemUI/tests/src/com/android/systemui/mediaprojection/permission/MediaProjectionPermissionDialogDelegateTest.kt
Test: atest packages/SystemUI/tests/src/com/android/systemui/screenrecord/ScreenRecordPermissionDialogDelegateTest.kt
Change-Id: I831e4cfeedd447f17bc011bf84afcb1a05b806cd