Desktop screenshots: Multidisplay support for fullscreen screenshots

Use the ID of the display containing the pre-capture UI in the
screenshot request argument. Ensure that the display ID is honored by
the screenshot executor for screenshot requests from the pre-capture
UI.

Bug: 430361425
Test: atest PreCaptureViewModelTest
Test: atest ScreenshotInteractorTest
Flag: com.android.systemui.desktop_screen_capture
Change-Id: I5ab1ae7482510715af83af17b949f0fec3707b2e