[remoting android] Initialize It2Me host and implement Connect()

remoting/host/policy_watcher.cc

Index: remoting/host/policy_watcher.cc
diff --git a/remoting/host/policy_watcher.cc b/remoting/host/policy_watcher.cc
index f114f068fa31c08580f1dcccd10c10df8f3076d7..96727292f7fd98b3b7efd41526da4448bd92a17b 100644
--- a/remoting/host/policy_watcher.cc
+++ b/remoting/host/policy_watcher.cc
@@ -374,6 +374,12 @@ std::unique_ptr<PolicyWatcher> PolicyWatcher::Create(
       policy::POLICY_SCOPE_MACHINE));
 #elif defined(OS_ANDROID)
   NOTIMPLEMENTED();
+  policy::PolicyServiceImpl::Providers providers;
+  std::unique_ptr<policy::PolicyService> owned_policy_service(
+      new policy::PolicyServiceImpl(providers));
+  return base::WrapUnique(new PolicyWatcher(
+      owned_policy_service.get(), std::move(owned_policy_service), nullptr,
+      CreateSchemaRegistry()));
 #else
 #error OS that is not yet supported by PolicyWatcher code.
 #endif