[Sanitizer] Add Symbolizer::GetModuleNameAndOffsetForPC() and use it in LSan suppression matching.

This allows us to avoid retrieving file/line info for suppressed modules.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@198025 91177308-0d34-0410-b5e6-96231b3b80d8