Fixed an issue where the insets of the cutout weren't respected

Both the sampled region as well as the detection if it's in the
swipeable region did not factor in the cutout insets and
would calculate the wrong thing.

Bug: 132394665
Test: atest SystemUITests
Change-Id: I9d84f7c76bd987587546b69de6c2875dc5cb303b
2 files changed