Fix notification profiles megaphone typo.

app/src/main/res/values/strings.xml

@@ -4211,7 +4211,7 @@
     <!-- Call to action button to create a profile from megaphone -->
     <string name="NotificationProfilesMegaphone__create_a_profile">Create a profile</string>
     <!-- Button to dismiss notification profile megaphone -->
-    <string name="NotificationProfilesMegaphone__not_now">Now now</string>
+    <string name="NotificationProfilesMegaphone__not_now">Not now</string>
 
     <!-- Displayed in a toast when we fail to open the ringtone picker -->
     <string name="NotificationSettingsFragment__failed_to_open_picker">Failed to open picker.</string>