DescriptorRendererImpl now writes 'inner' for inner classes

#KT-1174 In Progress

compiler/testData/javaDescriptorResolver/staticMembers/DeeplyInnerClass_non_static.txt

@@ -3,15 +3,15 @@ package test
 public open class DeeplyInnerClass : java.lang.Object {
     public constructor DeeplyInnerClass()
     
-    public/*package*/ open class A : java.lang.Object {
+    public/*package*/ open inner class A : java.lang.Object {
         public/*package*/ constructor A()
         public/*package*/ open fun a() : Unit
         
-        public/*package*/ open class B : java.lang.Object {
+        public/*package*/ open inner class B : java.lang.Object {
             public/*package*/ constructor B()
             public/*package*/ open fun b() : Unit
             
-            public/*package*/ open class C : java.lang.Object {
+            public/*package*/ open inner class C : java.lang.Object {
                 public/*package*/ constructor C()
                 public/*package*/ open fun c() : Unit
             }

compiler/testData/javaDescriptorResolver/staticMembers/Enum_non_static.txt

@@ -19,7 +19,7 @@ public final enum class Enum : jet.Enum<test.Enum> {
         }
     }
     
-    public open class Inner : java.lang.Object {
+    public open inner class Inner : java.lang.Object {
         public constructor Inner()
         public/*package*/ open fun bar() : Unit
     }

compiler/testData/javaDescriptorResolver/staticMembers/InnerClass_non_static.txt

@@ -3,8 +3,13 @@ package test
 public open class InnerClass : java.lang.Object {
     public constructor InnerClass()
     
-    public open class Inner : java.lang.Object {
+    public open inner class Inner : java.lang.Object {
         public constructor Inner()
         public open fun foo() : Unit
     }
+    
+    public open class Nested : java.lang.Object {
+        public constructor Nested()
+        public open fun bar() : Unit
+    }
 }

compiler/testData/javaDescriptorResolver/staticMembers/InnerClass_static.txt

@@ -1,6 +1,2 @@
 package InnerClass
 
-public open class Nested : java.lang.Object {
-    public constructor Nested()
-    public open fun bar() : Unit
-}