Modify getViewsIntersectingRegion to returns rects instead of view since we don't use the views after only the rects.

Intermidiate step for b/270395274

Bug: 270395275
Flag: NA
Test: ReorderAlgorithmUnitTest
Test: atest ReorderWidgets
Change-Id: I505372ccd61e954de19852427abe0b54fc06aa57
1 file changed