Added tests with SAM adapter overridden in Java class.

compiler/testData/codegen/boxWithJava/samAdapters/inheritedOverriddenAdapter.java

@@ -0,0 +1,13 @@
+class Super {
+    public String lastCalled = null;
+
+    void foo(Runnable r) {
+        lastCalled = "super";
+    }
+}
+
+class Sub extends Super {
+    void foo(jet.Function0<jet.Unit> r) {
+        lastCalled = "sub";
+    }
+}