Make emergency notification dismissable

Bug: 145608692
Fixes: 145608692

Test: on device
Change-Id: I7bf7d1786b6eed5fc32fdf438a223ec0020a4888
(cherry picked from commit 1f503e45f7aa3f68eae5a947c3afa63437b4c2eb)
diff --git a/services/core/java/com/android/server/location/GnssVisibilityControl.java b/services/core/java/com/android/server/location/GnssVisibilityControl.java
index ea4f9c4..dd522b9 100644
--- a/services/core/java/com/android/server/location/GnssVisibilityControl.java
+++ b/services/core/java/com/android/server/location/GnssVisibilityControl.java
@@ -637,7 +637,7 @@
         return new Notification.Builder(context, SystemNotificationChannels.NETWORK_ALERTS)
                 .setSmallIcon(com.android.internal.R.drawable.stat_sys_gps_on)
                 .setWhen(0)
-                .setOngoing(true)
+                .setOngoing(false)
                 .setAutoCancel(true)
                 .setColor(context.getColor(
                         com.android.internal.R.color.system_notification_accent_color))