added java.lang.Comparable to JavaTypeTransformer

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaTypeTransformer.java

@@ -256,7 +256,7 @@ public class JavaTypeTransformer {
             classDescriptorMap.put(new FqName("java.lang.CharSequence"), JetStandardLibrary.getInstance().getCharSequence());
             classDescriptorMap.put(new FqName("java.lang.Throwable"), JetStandardLibrary.getInstance().getThrowable());
             classDescriptorMap.put(new FqName("java.lang.Number"), JetStandardLibrary.getInstance().getNumber());
-
+            classDescriptorMap.put(new FqName("java.lang.Comparable"), JetStandardLibrary.getInstance().getComparable());
         }
         return classDescriptorMap;
     }

compiler/testData/diagnostics/tests/regressions/kt335.336.kt

@@ -2,9 +2,8 @@
 // KT-335 Type inference fails on Collections.sort
 
 import java.util.*
-import java.lang.Comparable as Comparable
 
-fun <T : java.lang.Comparable<T>> List<T>.sort() {
+fun <T : Comparable<T>> List<T>.sort() {
   Collections.sort(this) // Error here
 }