[iOS][MF] Update long title to a smaller one

This is the string that UX and the Translation team agreed upon.

Bug: 878388
Change-Id: Ibd42ebb2068cac63283389ff50f161baa29d85b9
Reviewed-on: https://chromium-review.googlesource.com/c/1338179Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Commit-Queue: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608461}

ios/chrome/app/strings/ios_strings.grd

@@ -880,7 +880,7 @@ locale.  The strings in this file are specific to iOS.
         No Username
       </message>
       <message name="IDS_IOS_MANUAL_FALLBACK_USE_OTHER_PASSWORD" desc="The title for the manual fallback UI with all passwords without filter." meaning="The title for a list where the user is about to select a password or username to be filled in a form [Length: 10em]">
-        Use Other Password
+        Passwords
       </message>
       <message name="IDS_IOS_MANUAL_FALLBACK_USE_OTHER_PASSWORD_WITH_DOTS" desc="The title for the button in the manual fallback passwords UI that is used to open a list of all the user credentials where they can select one to fill a form. This button is showed at the same time as a different button with  IDS_IOS_MANUAL_FALLBACK_MANAGE_PASSWORDS as title. [30em]">
         Use Other Password...