[msan] Disable DynamoRio detection.

This code is not robust enough and triggers when simply linking with
libdynamorio.so, without any code translation at all. Disabling it is safe
(i.e. we may unpoison too much memory and see false negatives, but never false
positives).


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@197568 91177308-0d34-0410-b5e6-96231b3b80d8
[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