Change 'LOG(ERROR)' to 'VLOG(1)' in mojo bits.

services/service_manager/public/cpp/lib/interface_registry.cc

Index: services/service_manager/public/cpp/lib/interface_registry.cc
diff --git a/services/service_manager/public/cpp/lib/interface_registry.cc b/services/service_manager/public/cpp/lib/interface_registry.cc
index 039b86679c66b6d5894f2a25aeb618cb33b9c051..7edca593490cbb5f69585563e5184dc505e316c2 100644
--- a/services/service_manager/public/cpp/lib/interface_registry.cc
+++ b/services/service_manager/public/cpp/lib/interface_registry.cc
@@ -207,7 +207,7 @@ void InterfaceRegistry::GetInterface(const std::string& interface_name,
          << local_identity_.name() << " via InterfaceProviderSpec \"" << name_
          << "\".";
       Serialize(&ss);
-      LOG(ERROR) << ss.str();
+      VLOG(1) << ss.str();

[Ben Goodger (Google), 2016/11/10 14:44:07]

We should leave this one as LOG(ERROR). It's important for debugging issues on
bots & pretty much anytime you see it it represents a catastrophic failure.

     }
   } else {
     std::stringstream ss;