Adapt to new git.meta package

Change-Id: I15bb5882aad622a9512e7125d85b91d86122ce9c
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/PutReviewers.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/PutReviewers.java
index 491014b..7e36503 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewers/PutReviewers.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/PutReviewers.java
@@ -24,7 +24,7 @@
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.AccountResolver;
-import com.google.gerrit.server.git.MetaDataUpdate;
+import com.google.gerrit.server.git.meta.MetaDataUpdate;
 import com.google.gerrit.server.restapi.group.GroupsCollection;
 import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.permissions.PermissionBackendException;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersConfig.java b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersConfig.java
index 6ee15ce..53d86af 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewers/ReviewersConfig.java
@@ -21,7 +21,7 @@
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.reviewdb.client.RefNames;
 import com.google.gerrit.server.config.PluginConfigFactory;
-import com.google.gerrit.server.git.VersionedMetaData;
+import com.google.gerrit.server.git.meta.VersionedMetaData;
 import com.google.gerrit.server.project.NoSuchProjectException;
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;