tsan: revert dynamic symbols file to the old incorrect one
full proper list of dynamic symbols crashes old gold (see bug 16468).
the culprit is 'memcpy' function, if it's added to syms file, gold crashes



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185078 91177308-0d34-0410-b5e6-96231b3b80d8