Fix launcher crash loop. am: fabee838

        // (e.g. fallback icon, default icon). So we drop here since there's no point in caching

        // an empty entry.

        if (entry.bitmap.isNullOrLowRes()) return;

        entry.title = cachingLogic.getLabel(object);

        CharSequence entryTitle = cachingLogic.getLabel(object);

        if (entryTitle == null) {

            Log.d(TAG, "No label returned from caching logic instance: " + cachingLogic);

            return;

        }

        entry.title = entryTitle;

        entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);

        if (cachingLogic.addToMemCache()) mCache.put(key, entry);