FELIX-4334: When a dependency is modified, the component "change" callback must be invoked if the dependency service "isInstantiated()" method is true. Indeed, changed callbacks shall be invoked even if the component is in the "waiting for required (instantiated)" state.
felix/trunk/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/BundleDependencyImpl.java