Toggle the camera state

   private void toggleCameraState() {
        // Instantiate the EnterpriseDeviceManager class
        EnterpriseDeviceManager enterpriseDeviceManager = EnterpriseDeviceManager.getInstance(this);
        // Get the RestrictionPolicy class where the setCameraState method lives
        RestrictionPolicy restrictionPolicy = enterpriseDeviceManager.getRestrictionPolicy();

        boolean isCameraEnabled = restrictionPolicy.isCameraEnabled(false);

        try {
            // Toggle the camera state on/off
            boolean result = restrictionPolicy.setCameraState(!isCameraEnabled);
            if(result) {
                mUtils.log(getResources().getString(R.string.camera_state, !isCameraEnabled));
            } else {
                mUtils.log(getResources().getString(R.string.camera_fail));
            }

        } catch (SecurityException e) {
            mUtils.processException(e, TAG);
        }
    }