Merge "Do not load xml metadata for unchanged packages in RegisteredServicesCache"

        final List<ResolveInfo> resolveInfos = queryIntentServices(userId);

        for (ResolveInfo resolveInfo : resolveInfos) {

            try {

                // if this package is not one of those changedUids, we don't need to scan it,

                // since nothing in it changed, so save a call to parseServiceInfo, which

                // can cause a large amount of the package apk to be loaded into memory.

                // if this is the initial scan, changedUids will be null, and containsUid will

                // trivially return true, and will call parseServiceInfo

                if (!containsUid(changedUids, resolveInfo.serviceInfo.applicationInfo.uid)) {

                    continue;

                }

                ServiceInfo<V> info = parseServiceInfo(resolveInfo);

                if (info == null) {

                    Log.w(TAG, "Unable to load service info " + resolveInfo.toString());