Enforce disabling internal memory allocator for AddressSanitizer

Enforce disabling internal memory allocator for AddressSanitizer

Disable the internal memory allocator when AddressSanitizer is in use.
The basic blocks in the internal memory allocator prevents
AddressSanitizer from properly tracking the allocations and
deallocations, so we need to ensure it has been disabled for any build
that has AddressSanitizer enabled.