Add JIT iOS compass-heading fix
Add JIT iOS compass-heading fix - switch around gamma not alpha
Revert "Add JIT iOS compass-heading fix - switch around gamma not alpha"

This reverts commit d0b03bed56fe3f17945ecfb283955f28e0a0e65a.
Revert "Add JIT iOS compass-heading fix"

This reverts commit d309e81a1b94a6d29f2bfd47f980447b97f65b8a.