Make SecureCredentialsFactory public

This allows it to be used in implementations that extend the
replication plugin.

Change-Id: Id81f5986f24720b9575c1987c21b2ae9672ddd37

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 18a4cc2..f2e67a4 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/SecureCredentialsFactory.java
@@ -26,7 +26,7 @@
 import org.eclipse.jgit.util.FS;
 
 /** Looks up a remote's password in secure.config. */
-class SecureCredentialsFactory implements CredentialsFactory {
+public class SecureCredentialsFactory implements CredentialsFactory {
   private final Config config;
 
   @Inject