Set screenshot preview animation destination explicitly

Set the scale/position parameters when the animation ends to ensure the
preview ends up in the right place even if the animation is cancelled.

Bug: 332410356
Test: manual (take screenshots in quick succession, verify preview is in
the right place at end of animation)
Flag: ACONFIG com.android.systemui.screenshot_shelf_ui2 TEAMFOOD

Change-Id: I00d36a8acbf1ecd70014c19bdbd0a8c4c1ecf90d