Change mojo url to always use mojo:foo instead of mojo://foo

sky/viewer/platform/platform_impl.cc

Index: sky/viewer/platform/platform_impl.cc
diff --git a/sky/viewer/platform/platform_impl.cc b/sky/viewer/platform/platform_impl.cc
index 9fc4f50507ae1d7240f9191c4cbac99af34a7ea5..bdaa4580644e60e5650dfde76cf626bb3dd8f3a1 100644
--- a/sky/viewer/platform/platform_impl.cc
+++ b/sky/viewer/platform/platform_impl.cc
@@ -46,7 +46,7 @@ PlatformImpl::PlatformImpl(mojo::ApplicationImpl* app)
       shared_timer_fire_time_(0.0),
       shared_timer_fire_time_was_set_while_suspended_(false),
       shared_timer_suspended_(0) {
-  app->ConnectToService("mojo://network_service/", &network_service_);
+  app->ConnectToService("mojo:network_service/", &network_service_);
 
   mojo::CookieStorePtr cookie_store;
   network_service_->GetCookieStore(GetProxy(&cookie_store));