[trivial] improving consistency between javac vs. ecj output

wasn't worth an issue on the tracker: javac and ecj handlers for static constructors would differ; ecjs would specify the return type and constructor invocation using fully qualified types, whereas the handler for javac did not.

test/transform/resource/before/ConstructorInner.java

@@ -0,0 +1,5 @@
+class ConstructorInner {
+	@lombok.AllArgsConstructor(staticName = "of")
+	static class Inner {
+	}
+}