Fixed that severe CMAS messages were not disabled.

This fixed the bad user experience that when the user disables
both extreme and severe emergency messages through the UI, the
user is still able to get the severe emergency messages.

bug: 23644848
Change-Id: I70c26066dd500be0f57516132e68754cbfbb7847
diff --git a/src/com/android/cellbroadcastreceiver/CellBroadcastSettings.java b/src/com/android/cellbroadcastreceiver/CellBroadcastSettings.java
index 02e1adc..8723aa3 100644
--- a/src/com/android/cellbroadcastreceiver/CellBroadcastSettings.java
+++ b/src/com/android/cellbroadcastreceiver/CellBroadcastSettings.java
@@ -247,12 +247,11 @@
                                             .setSubscriptionProperty(mSir.getSubscriptionId(),
                                                     SubscriptionManager.CB_EXTREME_THREAT_ALERT,
                                                     newVal + "");
-                                    if (newVal == 1) {
-                                        SubscriptionManager
-                                                .setSubscriptionProperty(mSir.getSubscriptionId(),
-                                                        SubscriptionManager.CB_SEVERE_THREAT_ALERT,
-                                                        "0");
-                                    }
+                                    SubscriptionManager
+                                            .setSubscriptionProperty(mSir.getSubscriptionId(),
+                                                    SubscriptionManager.CB_SEVERE_THREAT_ALERT,
+                                                    "0");
+
                                     boolean isExtremeAlertChecked =
                                             ((Boolean) newValue).booleanValue();