Fix getAdjustedCrop computation

See b/340422332#comment22. This also removes the no-longer-used rtl
argument from the method.

Flag: NONE, trivial bug fix
Bug: 340422332
Test: atest WallpaperCropperTest
Change-Id: I7f429082a5403008cd3ccb307c38a9b0c4063a52
2 files changed