Fixed mapping generic type with multiple bounds from Java to Kotlin.

#KT-3480 fixed

compiler/testData/codegen/boxWithJava/functions/max.java

@@ -0,0 +1,7 @@
+import java.util.*;
+
+public class max {
+    public static <T extends Object & Comparable<? super T>> T max(Collection<? extends T> coll) {
+        return Collections.max(coll);
+    }
+}