Change mojo URLs from mojo://mojo_foo to mojo://foo.

mojo/tools/package_manager/package_manager_application.cc

Index: mojo/tools/package_manager/package_manager_application.cc
diff --git a/mojo/tools/package_manager/package_manager_application.cc b/mojo/tools/package_manager/package_manager_application.cc
index ae4d4a4d3f17503c23a9f9953e1aabdfc518ad51..4c08de912c4f9f34c379187757e2a79ef6144233 100644
--- a/mojo/tools/package_manager/package_manager_application.cc
+++ b/mojo/tools/package_manager/package_manager_application.cc
@@ -34,7 +34,7 @@ PackageManagerApplication::~PackageManagerApplication() {
 }
 
 void PackageManagerApplication::Initialize(ApplicationImpl* app) {
-  app->ConnectToService("mojo:mojo_network_service", &network_service_);
+  app->ConnectToService("mojo:network_service", &network_service_);
 
   printf("Enter URL> ");
   char buf[1024];