Swift 5.3 Release
[shims] Add AppKit overlay shims (cherry picked from commit c8523e59e403cd53f24ae564d1c8145b48369d21) (cherry picked from commit 250f1663302d573e3161108318446a5d2ab6fd3e)
[shims] Add AppKit overlay shims (cherry picked from commit c8523e59e403cd53f24ae564d1c8145b48369d21) (cherry picked from commit 250f1663302d573e3161108318446a5d2ab6fd3e)