Merge "Settings: switch to using ctl.start property instead of exec logcat"

        final String size = (newValue != null) ?

                newValue.toString() : DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES;

        SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, size);

        SystemProperties.set("ctl.start", "logd-reinit");

        pokeSystemProperties();

        try {

            Process p = Runtime.getRuntime().exec("logcat -b all -G " + size);

            p.waitFor();

            Log.i(TAG, "Logcat ring buffer sizes set to: " + size);

        } catch (Exception e) {

            Log.w(TAG, "Cannot set logcat ring buffer sizes", e);

        }

        updateLogdSizeValues();

    }