fix(Docs): Update component_loading.md to show "initReflector()" call.
fix(Docs): Update component_loading.md to show "initReflector()" call.

Otherwise you can get into issues with deferred loading today.

PiperOrigin-RevId: 167172503

matanlurey/angular,kevmoo/angular,kevmoo/angular,angulardart/angular,matanlurey/angular,angulardart/angular,angulardart/angular,matanlurey/angular,chalin/angular2,chalin/angular2,kevmoo/angular,chalin/angular2