Update expectations files to get more strong mode inference tests to pass.

pkg/front_end/testcases/inference/infer_generic_method_type_required.dart.strong.expect

Index: pkg/front_end/testcases/inference/infer_generic_method_type_required.dart.strong.expect
diff --git a/pkg/front_end/testcases/inference/generic_methods_correctly_recognize_generic_upper_bound.dart.strong.expect b/pkg/front_end/testcases/inference/infer_generic_method_type_required.dart.strong.expect
similarity index 50%
copy from pkg/front_end/testcases/inference/generic_methods_correctly_recognize_generic_upper_bound.dart.strong.expect
copy to pkg/front_end/testcases/inference/infer_generic_method_type_required.dart.strong.expect
index 72c646a47054cc0bb3e94ab8bb576e3f95196f75..fac3efef04f8ba7314e657cbd5e8e0bbf53a8c54 100644
--- a/pkg/front_end/testcases/inference/generic_methods_correctly_recognize_generic_upper_bound.dart.strong.expect
+++ b/pkg/front_end/testcases/inference/infer_generic_method_type_required.dart.strong.expect
@@ -2,13 +2,13 @@ library test;
 import self as self;
 import "dart:core" as core;
 
-class Foo<T extends core::Pattern> extends core::Object {
+class C extends core::Object {
   constructor •() → void
     : super core::Object::•()
     ;
-  method method(self::Foo::T u) → self::Foo::T
-    return u;
+  method m(dynamic x) → dynamic
+    return x;
 }
 static method main() → dynamic {
-  new self::Foo::•<core::String>().method(42);
+  core::int y = new self::C::•().{self::C::m}(42);
 }