Merge "Fix null pointer exception when getting app label for headless app" into udc-qpr-dev

        // If there is a label for the launcher intent, then use that as it is typically shorter.

        // Otherwise, just use the top-level application name.

        Intent launchIntent = pm.getLaunchIntentForPackage(mContext.getPackageName());

        if (launchIntent == null) {

            return getDefaultCallingApplicationLabel();

        }

        List<ResolveInfo> infos =

                pm.queryIntentActivities(

                        launchIntent, PackageManager.ResolveInfoFlags.of(MATCH_DEFAULT_ONLY));

        if (infos.size() > 0) {

            return infos.get(0).loadLabel(pm);

        }

        return getDefaultCallingApplicationLabel();

    }

    private CharSequence getDefaultCallingApplicationLabel() {

        return mContext.getApplicationInfo()

                .loadSafeLabel(

                        pm,

                        mContext.getPackageManager(),

                        /* ellipsizeDip= */ 0,

                        TextUtils.SAFE_STRING_FLAG_SINGLE_LINE

                                | TextUtils.SAFE_STRING_FLAG_TRIM);