Add annotation for default parameter value

compiler/testData/codegen/box/signatureAnnotations/defaultNull.kt

@@ -0,0 +1,56 @@
+// TARGET_BACKEND: JVM
+
+// FILE: A.java
+// ANDROID_ANNOTATIONS
+
+import kotlin.annotations.jvm.internal.*;
+
+public class A {
+    public Integer foo(@DefaultNull Integer x) { return x; }
+    public Integer bar(@DefaultNull Integer x) { return x; }
+
+    public Integer baz(@DefaultValue("42") Integer x) { return x; }
+}
+
+// FILE: AInt.java
+import kotlin.annotations.jvm.internal.*;
+
+public interface AInt {
+    public Integer foo(@DefaultValue("42") Integer x);
+    public Integer bar(@DefaultNull Integer x);
+}
+
+// FILE: B.java
+
+public class B extends A {
+    public Integer foo(Integer x) { return x; }
+}
+
+// FILE: C.java
+import kotlin.annotations.jvm.internal.*;
+
+public class C extends A {
+    public Integer foo(@DefaultValue("42") Integer x) { return x; }
+
+    public Integer baz(@DefaultNull Integer x) { return x; }
+}
+
+// FILE: D.java
+
+public class D extends A implements AInt {
+}
+
+// FILE: test.kt
+fun box(): String {
+    if (A().foo() != null) return "FAIL 0"
+
+    if (B().foo() != null) return "FAIL 1"
+    if (B().bar() != null) return "FAIL 2"
+
+    if (C().foo() != null) return "FAIL 3"
+    if (C().baz() != 42) return "FAIL 4"
+
+    if (D().baz() != 42) return "FAIL 5"
+
+    return "OK"
+}