Introduce JvmBuiltIns and DefaultBuiltIns, different instances of KotlinBuiltIns

Make KotlinBuiltIns an abstract class
JsPlatform has DefaultBuiltIns

core/descriptor.loader.java/src/org/jetbrains/kotlin/platform/JavaToKotlinClassMap.java

@@ -44,7 +44,7 @@ public class JavaToKotlinClassMap implements PlatformToKotlinClassMap {
     private final Map<ClassDescriptor, ClassDescriptor> readOnlyToMutable = new HashMap<ClassDescriptor, ClassDescriptor>();
 
     private JavaToKotlinClassMap() {
-        KotlinBuiltIns builtIns = KotlinBuiltIns.getInstance();
+        KotlinBuiltIns builtIns = JvmBuiltIns.getInstance();
 
         add(Object.class, builtIns.getAny());
         add(String.class, builtIns.getString());

core/descriptor.loader.java/src/org/jetbrains/kotlin/platform/JvmBuiltIns.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.platform
+
+import org.jetbrains.kotlin.builtins.BuiltInsInitializer
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+
+class JvmBuiltIns private constructor() : KotlinBuiltIns() {
+    companion object {
+        private val initializer = BuiltInsInitializer {
+            JvmBuiltIns()
+        }
+
+        @JvmStatic
+        val Instance: KotlinBuiltIns
+            get() = initializer.get()
+    }
+}