Report error on using reflection without kotlin-reflect.jar in classpath

Should be a warning because strictly speaking, the codegen doesn't need it
during the compilation. It's an error at the moment only to let all clients of
Kotlin reflection know that they must include kotlin-reflect.jar in the
classpath

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/JvmAbi.java

@@ -17,6 +17,8 @@
 package org.jetbrains.kotlin.load.java;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.kotlin.name.ClassId;
+import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
 
 public final class JvmAbi {
@@ -41,6 +43,7 @@ public final class JvmAbi {
 
     public static final String KOTLIN_CLASS_FIELD_NAME = "$kotlinClass";
     public static final String KOTLIN_PACKAGE_FIELD_NAME = "$kotlinPackage";
+    public static final ClassId REFLECTION_FACTORY_IMPL = ClassId.topLevel(new FqName("kotlin.reflect.jvm.internal.ReflectionFactoryImpl"));
 
     //TODO: To be removed after kotlin M11
     @Deprecated