System.Memory.Tests Crashes on tvOS

[mdh1418]

Crashes/Hangs on GetArrayDataReference_NullInput_ThrowsNullRef

[GrabYourPitchforks]

All of the failing tests involve globalization-related code paths. I suspect whatever is causing #36883 is also causing this.

[mdh1418]

System.Memory.Tests no longer fails on iOS, but the suite crashes consistently on tvOS as of #49917

[adamsitnik]

I suspect whatever is causing #36883 is also causing this.

#36883 has been recently closed as it does not repro anymore: #36883 (comment)

I've sent #56724 to see if it passes now