Fixed issue where SurfaceView transforms were applied twice

Updated stretch overscroll logic to compute the stretch
region for SurfaceView after applying transforms to the
the corresponding View. Removed logic that would
compute the transform again after finding the nearest
stretch container.

Fixes: 262162781
Test: Added CTS test to HorizontalScrollViewTest and ScrollViewTest
Change-Id: I6baf99dd13e20f7db43ffcf6542fd56a0b332f58
3 files changed