[Sanitizers] Rename Symbolizer::SymbolizeCode to Symbolizer::SymbolizePC

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197569 91177308-0d34-0410-b5e6-96231b3b80d8
[Sanitizer] Implement Symbolizer class on Windows

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197571 91177308-0d34-0410-b5e6-96231b3b80d8
[Sanitizers] Fix CL compile-time warning in the symbolizer

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197573 91177308-0d34-0410-b5e6-96231b3b80d8