clang-format: [JS] JavaScript does not have the */&/&& madness.

Before:
  e&& e.SomeFunction();

After:
  e && e.SomeFunction();

Yeah, this might be useful for C++, too, but it is not such a frequent
pattern there (plus the fix is much harder).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@217237 91177308-0d34-0410-b5e6-96231b3b80d8