Revert "[Driver] Update default sanitizer blacklist location"

This reverts commit r322258: broke the dfsan build.

llvm-svn: 322260

clang/lib/Driver/SanitizerArgs.cpp

@@ -112,7 +112,7 @@ static bool getDefaultBlacklist(const Driver &D, SanitizerMask Kinds,
 
   if (BlacklistFile) {
     clang::SmallString<64> Path(D.ResourceDir);
-    llvm::sys::path::append(Path, "share", BlacklistFile);
+    llvm::sys::path::append(Path, BlacklistFile);
     BLPath = Path.str();
     return true;
   }