Replace JavaClassifierType.canonicalText with classifierQualifiedName

The reason is that canonicalText requires some additional
computations to be done when reading class files, while
in fact we only need a class name of the type

core/descriptors.runtime/src/org/jetbrains/kotlin/load/java/structure/reflect/ReflectJavaClassifierType.kt

@@ -37,7 +37,7 @@ class ReflectJavaClassifierType(public override val reflectType: Type) : Reflect
         classifier
     }
 
-    override val canonicalText: String
+    override val classifierQualifiedName: String
         get() = throw UnsupportedOperationException("Type not found: $reflectType")
 
     override val presentableText: String