Follow-up to 'Revert "Reduce visibility of *CredentialsFact...'

Mark these public factories with `UsedAt` so there it is no longer
tempting to package-protect them.

Change-Id: Icd4bec980472851dfb769159c1abb528e353cbd9

src/main/java/com/googlesource/gerrit/plugins/replication/AutoReloadSecureCredentialsFactoryDecorator.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/AutoReloadSecureCredentialsFactoryDecorator.java b/src/main/java/com/googlesource/gerrit/plugins/replication/AutoReloadSecureCredentialsFactoryDecorator.java
index 99f630e..32c439b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/AutoReloadSecureCredentialsFactoryDecorator.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/AutoReloadSecureCredentialsFactoryDecorator.java
@@ -15,6 +15,8 @@
 package com.googlesource.gerrit.plugins.replication;
 
 import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.common.UsedAt;
+import com.google.gerrit.common.UsedAt.Project;
 import com.google.gerrit.server.config.SitePaths;
 import com.google.gerrit.server.securestore.SecureStore;
 import com.google.inject.Inject;
@@ -24,6 +26,7 @@
 import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.transport.CredentialsProvider;
 
+@UsedAt(Project.PLUGIN_PULL_REPLICATION)
 public class AutoReloadSecureCredentialsFactoryDecorator implements CredentialsFactory {
   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
 

src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java b/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java
index abef303..3e00089 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java
@@ -15,6 +15,8 @@
 package com.googlesource.gerrit.plugins.replication;
 
 import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.common.UsedAt;
+import com.google.gerrit.common.UsedAt.Project;
 import com.google.gerrit.server.securestore.SecureStore;
 import com.google.inject.Inject;
 import java.util.Objects;
@@ -22,6 +24,7 @@
 import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
 
 /** Looks up a remote's password in SecureStore */
+@UsedAt(Project.PLUGIN_PULL_REPLICATION)
 public class SecureCredentialsFactory implements CredentialsFactory {
   private static final FluentLogger log = FluentLogger.forEnclosingClass();
   private final SecureStore secureStore;