Make Module a public class so it can be imported

Change-Id: I1820aaea7ca01b14519b048a28c716d2d135d64c
diff --git a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/Module.java b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/Module.java
index 9717779..b605165 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/Module.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/uploadvalidator/Module.java
@@ -17,7 +17,7 @@
 import com.google.inject.AbstractModule;
 import com.google.inject.Scopes;
 
-class Module extends AbstractModule {
+public class Module extends AbstractModule {
 
   @Override
   protected void configure() {