Added activityId to underlay system ui requests.

This will help system UI to match the request and activity.

Bug: 403422950
Flag: android.view.contentcapture.flags.enable_system_ui_underlay
Change-Id: I6139852d78465ca1930a3e8795ab6db3e614763d
Test: atest CtsContentCaptureServiceTestCase
1 file changed