Fixed rotation: rotate wallpaper

The wallpaper should be rotated if its target WindowState is rotated.

The fixed rotation is applied to the WallpaperWindowToken and
the offsets are computed using the overriden DisplayInfo contained in
the WindowToken.ForcedRotationState.

Test: atest WmTests:RecentsAnimationControllerTest#testWallpaperHasFixedRotationApplied
Bug: 143053092, 148000485, 147999946
Change-Id: I244b3cb81dd29995a1a9181949e4f3f973816825