clang-format: [JS] Don't indent in goog.scope blocks.

Before:
  goog.scope(function() {
    var x = a.b;
    var y = c.d;
  });  // goog.scope

After:
  goog.scope(function() {
  var x = a.b;
  var y = c.d;
  });  // goog.scope

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208088 91177308-0d34-0410-b5e6-96231b3b80d8