[compiler-rt] [compiler-rt][ASan] Add function moving annotations (PR #91702)

[Nikolas Klauser via llvm-commits]

philnik777 wrote:

trivial relocation is also interesting for erasing object from a vector, so the builtins should probably be more akin to a `memmove` than a `memcpy`.

https://github.com/llvm/llvm-project/pull/91702