Merge "Announce the existence of magnification settings" into udc-dev

            setSystemGestureExclusion();

            mIsVisible = true;

            mCallback.onSettingsPanelVisibilityChanged(/* shown= */ true);

            if (resetPosition) {

                // We could not put focus on the settings panel automatically

                // since it is an inactive window. Therefore, we announce the existence of

                // magnification settings for accessibility when it is opened.

                mSettingView.announceForAccessibility(

                        mContext.getResources().getString(

                                R.string.accessibility_magnification_settings_panel_description));

            }

        }

        mContext.registerReceiver(mScreenOffReceiver, new IntentFilter(Intent.ACTION_SCREEN_OFF));

    }