Respect container.replica option for Gerrit replica

Change-Id: Ibd681b6a646ca27254f97322c0bafe595b6d0f3c

src/main/java/com/googlesource/gerrit/plugins/healthcheck/HttpModule.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HttpModule.java b/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HttpModule.java
index c62a261..9e5eb57 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HttpModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/healthcheck/HttpModule.java
@@ -16,19 +16,18 @@
 
 import com.google.gerrit.extensions.registration.DynamicSet;
 import com.google.gerrit.httpd.AllRequestFilter;
-import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.gerrit.server.config.GerritIsReplica;
 import com.google.inject.Inject;
 import com.google.inject.Scopes;
 import com.google.inject.servlet.ServletModule;
 import com.googlesource.gerrit.plugins.healthcheck.filter.HealthCheckStatusFilter;
-import org.eclipse.jgit.lib.Config;
 
 public class HttpModule extends ServletModule {
   private boolean isSlave;
 
   @Inject
-  public HttpModule(@GerritServerConfig Config gerritConfig) {
-    isSlave = gerritConfig.getBoolean("container", "slave", false);
+  public HttpModule(@GerritIsReplica boolean isReplica) {
+    isSlave = isReplica;
   }
 
   @Override