Analysis: add LC testdata with current behaviour

compiler/testData/asJava/ultraLightClasses/defaultMethodInKotlinWithSettingAll.fir.java

@@ -0,0 +1,9 @@
+public abstract interface KtInterface /* KtInterface*/ {
+  public abstract void defaultFun();//  defaultFun()
+
+  public abstract void withoutBody();//  withoutBody()
+
+
+  class DefaultImpls ...
+
+  }