Revert "Fixing formatting of dart:html's dart2js annotations."

tools/dom/templates/html/impl/impl_CustomEvent.darttemplate

Index: tools/dom/templates/html/impl/impl_CustomEvent.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_CustomEvent.darttemplate b/tools/dom/templates/html/impl/impl_CustomEvent.darttemplate
index b2a7ad46d145adaa01d524fe30246bdb3c6ad1d3..e44d430d49d557881aaedf03e3c20a6eca05a7b3 100644
--- a/tools/dom/templates/html/impl/impl_CustomEvent.darttemplate
+++ b/tools/dom/templates/html/impl/impl_CustomEvent.darttemplate
@@ -5,8 +5,8 @@
 // WARNING: Do not edit - generated code.
 
 part of html;
-
-$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+$ANNOTATIONS
+class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
   factory $CLASSNAME(String type, [bool canBubble = true, bool cancelable = true,
       Object detail]) => _$(CLASSNAME)FactoryProvider.create$CLASSNAME(
       type, canBubble, cancelable, detail);