[sanitizer] reverse the order of the stack traces printed for every pair of locks in the deadlock report (first print the 'from' node, then print the 'to' node of the deadlock graph)

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204043 91177308-0d34-0410-b5e6-96231b3b80d8