[sanitizer] Parallelize lint checker script

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189578 91177308-0d34-0410-b5e6-96231b3b80d8
[TSan] Move build rules a bit to ensure correct dependencies of check-tsan command

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189579 91177308-0d34-0410-b5e6-96231b3b80d8