Add support for attribute serialization.

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/metadata/DescriptorMetadataSerializer.kt

@@ -40,7 +40,7 @@ class DescriptorMetadataSerializer(
             is DescriptorMetadataSource.Script -> DescriptorSerializer.create(
                 metadata.descriptor, serializerExtension, (parent as? DescriptorMetadataSerializer)?.serializer, context.state.project
             )
-            is DescriptorMetadataSource.File -> DescriptorSerializer.createTopLevel(serializerExtension)
+            is DescriptorMetadataSource.File -> DescriptorSerializer.createTopLevel(serializerExtension, context.state.project)
             is DescriptorMetadataSource.Function -> DescriptorSerializer.createForLambda(serializerExtension)
             else -> null
         }

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/metadata/KlibMetadataSerializer.kt

@@ -56,7 +56,7 @@ abstract class KlibMetadataSerializer(
         )
         return SerializerContext(
             extension,
-            DescriptorSerializer.createTopLevel(extension)
+            DescriptorSerializer.createTopLevel(extension, project)
         )
     }