[Night Light] CL12: String changes and fix frequent requests.

ash/ash_strings.grd

Index: ash/ash_strings.grd
diff --git a/ash/ash_strings.grd b/ash/ash_strings.grd
index 42523a3f4f263249915aafa11eba39510b36ce49..a4fb2183d785d6232d8581c88afbcc3da5b95bc9 100644
--- a/ash/ash_strings.grd
+++ b/ash/ash_strings.grd
@@ -219,7 +219,13 @@ This file contains the strings for ash.
         All available users have already been added to this session.
       </message>
       <message name="IDS_ASH_STATUS_TRAY_NIGHT_LIGHT" desc="The label used for the button in the status tray to toggle the Night Light feature (which controls the color temperature of the screen) on or off.">
-        Night light
+        Night Light: <ph name="NIGHT_LIGHT_STATUS">$1<ex>On</ex></ph>
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NIGHT_LIGHT_OFF_STATE" desc="The label for the Off state of the Night Light feature.">
+        Off
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NIGHT_LIGHT_ON_STATE" desc="The label for the On state of the Night Light feature.">
+        On
       </message>
       <message name="IDS_ASH_STATUS_TRAY_CAST" desc="The label used as the header in the cast popup.">
         Cast screen