Fix for a problem where inner (or nested) classes were not analyzed in some situations

# KT-3124 Fixed

compiler/testData/diagnostics/tests/j+k/innerNestedClassFromJava.kt

@@ -0,0 +1,32 @@
+// FILE: a/M.java
+package a;
+
+public class M {
+    public class Inner {
+
+    }
+
+    public static class Nested {
+
+    }
+
+    private class PrInner {
+
+    }
+
+    private static class PrNested {
+
+    }
+}
+
+// FILE: b.kt
+package b
+
+fun f() {
+  val <!UNUSED_VARIABLE!>c1<!>: a.M.Inner
+  val <!UNUSED_VARIABLE!>c2<!>: a.M.Nested
+  val <!UNUSED_VARIABLE!>c3<!>: a.M.<!INVISIBLE_REFERENCE!>PrInner<!>
+  val <!UNUSED_VARIABLE!>c4<!>: a.M.<!INVISIBLE_REFERENCE!>PrNested<!>
+
+}
+