Reintroduce ScreenCaptureComponent.

ScreenCaptureComponent now lives throughout the capture process and is collected when the UI disappears of the capturing finishes. This allows to store state and the necessary settings for the duration of the caption.

Flag: com.android.systemui.new_screen_record_toolbar
Bug: 427682447
Test: atest ScreenCaptureComponentInteractorTest
Change-Id: I8702a74cd322132fe8197292eb9cd89ccfe589d0