Use moved FactoryModule

Change-Id: Ie41b8e1d991acc0b21c12e51400f5d115cb64f24
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlameModule.java b/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlameModule.java
index 9ef5390..89218c9 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlameModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlameModule.java
@@ -16,8 +16,8 @@
 
 import com.google.gerrit.common.EventListener;
 import com.google.gerrit.extensions.annotations.Exports;
+import com.google.gerrit.extensions.config.FactoryModule;
 import com.google.gerrit.extensions.registration.DynamicSet;
-import com.google.gerrit.server.config.FactoryModule;
 import com.google.gerrit.server.config.ProjectConfigEntry;
 
 public class ReviewersByBlameModule extends FactoryModule {