[LC] rename lightClasses/lightClasses to lightClasses/lightClassByFqName

compiler/testData/asJava/lightClasses/lightClassByFqName/InheritingInterfaceDefaultImpls.java

@@ -0,0 +1,8 @@
+public final class Inheritor /* p.Inheritor*/ implements p.I, p.I2 {
+  public  Inheritor();//  .ctor()
+
+  public final void f();//  f()
+
+  public void g();//  g()
+
+}