Merge "Prevent start if package is frozen" into rvc-dev

            if (sb == null) sb = new StringBuilder();

            sb.append("seq=" + app.startSeq + ",expected=" + expectedStartSeq + ";");

        }

        try {

            AppGlobals.getPackageManager().checkPackageStartable(app.info.packageName, app.userId);

        } catch (RemoteException e) {

            // unexpected; ignore

        } catch (SecurityException e) {

            if (mService.mConstants.FLAG_PROCESS_START_ASYNC) {

                if (sb == null) sb = new StringBuilder();

                sb.append("Package is frozen;");

            } else {

                // we're not being started async and so should throw to the caller.

                throw e;

            }

        }

        return sb == null ? null : sb.toString();

    }