[TSan] Move the /proc/self/maps parsing logic to sanitizer_common 

Provide a generic way for the tools to generate memory profiles from contents of /proc/self/maps



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189789 91177308-0d34-0410-b5e6-96231b3b80d8
[libsanitizer] Remove an unused variable introduced in r189789


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189790 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: add suppressions for true/false positives in standard libraries


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189791 91177308-0d34-0410-b5e6-96231b3b80d8
[TSan] fixup for r189791: don't put ; on the newline

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189792 91177308-0d34-0410-b5e6-96231b3b80d8