Merge "Prevent SIGN_IN notification pop up several times"

        @Override

        public void exit() {

            mLaunchCaptivePortalAppBroadcastReceiver = null;

            hideProvisioningNotification();

        }

    }

                mLaunchCaptivePortalAppBroadcastReceiver = new CustomIntentReceiver(

                        ACTION_LAUNCH_CAPTIVE_PORTAL_APP, new Random().nextInt(),

                        CMD_LAUNCH_CAPTIVE_PORTAL_APP);

            }

                // Display the sign in notification.

                // Only do this once for every time we enter MaybeNotifyState. b/122164725

                showProvisioningNotification(mLaunchCaptivePortalAppBroadcastReceiver.mAction);

            }

            // Retest for captive portal occasionally.

            sendMessageDelayed(CMD_CAPTIVE_PORTAL_RECHECK, 0 /* no UID */,

                    CAPTIVE_PORTAL_REEVALUATE_DELAY_MS);