Max line length test fix (dartbug.com/16405).

pkg/analyzer/test/services/data/cu_tests.data

 >>>
 class
 A
 {
 }
 <<<
 class A {
 }
 >>> dartbug.com/15876
 // fisk
@@ skipping 168 matching lines @@
 
 void setX(x) {
 }
 <<<
 Object get _globalState => null;
 
 set _globalState(Object val) {
 }
 
 void setX(x) {
+}
+>>> dartbug.com/16405
+class ContactImpulse {
+  List<double> normalImpulses = new List<double>(Settings.MAX_MANIFOLD_POINTS);
+  List<double> tangentImpulses = new List<double>(Settings.MAX_MANIFOLD_POINTS);
+
+  ContactImpulse();
+}
+<<<
+class ContactImpulse {
+  List<double> normalImpulses = new List<double>(Settings.MAX_MANIFOLD_POINTS);
+  List<double> tangentImpulses = new List<double>(Settings.MAX_MANIFOLD_POINTS);
+
+  ContactImpulse();
 }