Summary:
We use this class to show an invisible overlay when using a sandbox. This shouldn't intercept hit tests.
Would be good to remove these FB-specific references from the OSS code, but since there's one already, will leave that for a separate diff.
Reviewed By: danielbuechele
Differential Revision: D13028248
fbshipit-source-id: df2eb83fd9c4b7547ede5dcb088e10a7d3d4f36b
57235131fc