[LC] rename lightClasses/lightClasses to lightClasses/lightClassByFqName

compiler/testData/asJava/lightClasses/lightClassByFqName/nullabilityAnnotations/Synthetic.java

@@ -0,0 +1,12 @@
+public final class Synthetic /* Synthetic*/ {
+  private final void foo();//  foo()
+
+  public  Synthetic();//  .ctor()
+
+
+public final class Inner /* Synthetic.Inner*/ {
+  public  Inner();//  .ctor()
+
+  public final void test();//  test()
+
+}}