KT-5692 Java to Kotlin conversion: convert int range loops in reverse order + a few more improvements

#KT-5692 Fixed

j2k/testData/fileOrElement/for/falseArrayIndicesReversed2.java

@@ -0,0 +1,9 @@
+import java.util.Collection;
+
+public class A {
+    void foo(String[] array) {
+        for(int i = array.length - 2; i >= 0; i--) {
+            System.out.println(i);
+        }
+    }
+}