tsan: make IsMetaMem accept u32*

MemToMeta returns u32*, so it's reasonable for IsMetaMem
to accept u32* as well.
Changing the argument type just removes few type casts.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D107481

GitOrigin-RevId: c7a4ede3511692a58627a9eedb8518dcef6c9a97
3 files changed