[GWP-ASan] Remove c++ standard lib dependency.

Remove c++ standard library dependency for now for @phosek. They have a
complicated build system that breaks with the fuzzer target here.

Also added a todo to remedy later.

Differential Revision: https://reviews.llvm.org/D66568

llvm-svn: 369606
GitOrigin-RevId: 3dd22585199195d4656154205ab631b8dd406143
1 file changed