Update string for CrOS too many monitor notification

Updates the string used for the notification that appears when a user
connects more monitors than their device can support.

Bug: 1017375
Fixed: 1017375
Change-Id: Id88ae042e19e16f0739598f08dca98339e29f46a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1875519Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Commit-Queue: Zentaro Kavanagh <zentaro@chromium.org>
Auto-Submit: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709186}

ash/ash_strings.grd

@@ -1129,7 +1129,7 @@ This file contains the strings for ash.
         Input
       </message>
       <message name="IDS_ASH_STATUS_TRAY_DISPLAY_REMOVED_EXCEEDED_MAXIMUM" desc="The label used when user connects more external displays than the maximum that the device can support.">
-        Your device is connected to the maximum number of monitors, so one of the screens has been disconnected.
+        This device couldn't support all of your displays, so one has been disconnected
       </message>
       <message name="IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING" desc="The label used in the tray to show that the current status is mirroring.">
         Mirroring to <ph name="DISPLAY_NAME">$1</ph>