Adapt to new core package layout

Change-Id: I90acbf72ab00aa5cf40f35ce4129a45c97c927d8
diff --git a/src/test/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreatorIT.java b/src/test/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreatorIT.java
index 5848852..4baaf4b 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreatorIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/automerger/DownstreamCreatorIT.java
@@ -38,7 +38,7 @@
 import com.google.gerrit.reviewdb.client.RefNames;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.group.SystemGroupBackend;
-import com.google.gerrit.testutil.TestTimeUtil;
+import com.google.gerrit.testing.TestTimeUtil;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.io.InputStream;