Register DynamicSet, DynamicMap from parent injectors

If the HTTP or SSH injector registers implementations of a type
that is tracked by a DynamicSet or DynamicMap from the system
injector, ensure those are registered when these injectors are
started by the LifecycleManager.

Change-Id: I6d4134f6689c872b162b04f8cf5935d50bd0fd9d

gerrit-sshd/src/main/java/com/google/gerrit/sshd/SshModule.java

@@ -15,6 +15,7 @@
 package com.google.gerrit.sshd;
 
 import static com.google.inject.Scopes.SINGLETON;
+import static com.google.gerrit.extensions.registration.PrivateInternals_DynamicTypes.registerInParentInjectors;
 
 import com.google.common.collect.Maps;
 import com.google.gerrit.lifecycle.LifecycleModule;
@@ -121,6 +122,7 @@ public class SshModule extends FactoryModule {
           .annotatedWith(UniqueAnnotations.create())
           .to(SshPluginStarterCallback.class);
 
+        listener().toInstance(registerInParentInjectors());
         listener().to(SshLog.class);
         listener().to(SshDaemon.class);
       }