Add card details and legal message to Android save credit card infobar.

components/autofill_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
 
   <if expr="not is_ios">
     <message name="IDS_AUTOFILL_CLEAR_FORM_MENU_ITEM" desc="The entry in the suggestions dropdown that clears an auto-filled form.">
       Clear form
     </message>
   </if>
   <if expr="is_ios">
     <message name="IDS_AUTOFILL_CLEAR_FORM_MENU_ITEM" desc="iOS: The entry in the suggestions keyboard accessory that clears an auto-filled form.">
@@ skipping 174 matching lines @@
       Do you want Chromium to save this card?
     </message>
   </if>
   <message name="IDS_AUTOFILL_SAVE_CARD_PROMPT_TITLE_TO_CLOUD" desc="Title text for the Autofill save card prompt when the card is to be saved by uploading it to Google Payments. The prompt can be either a bubble or an infobar.">
     Do you want Google to save this card?
   </message>
   <message name="IDS_AUTOFILL_SAVE_CARD_PROMPT_UPLOAD_EXPLANATION" desc="Explanation of the effect of the Autofill save card prompt when the card is to be saved by uploading it to Google Payments. The prompt can be either a bubble or an infobar.">
     Pay quickly on sites and apps across devices using cards you have saved with Google.
   </message>
 
+  <message name="IDS_AUTOFILL_CREDIT_CARD_EXPIRATION_DATE_ABBR" desc="Abbreviated label for credit card expiration date. [CHAR-LIMIT=32]">
+    Exp: <ph name="EXPIRATION_MONTH">$1<ex>06</ex></ph>/<ph name="EXPIRATION_YEAR">$2<ex>17</ex></ph>
+  </message>
+
   <!-- Autofill credit card unmask prompt -->
   <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_ERROR_TRY_AGAIN" desc="Error message that encourages the user to try to re-enter their credit card CVC after a previous failed attempt.">
     Check your CVC and try again
   </message>
   <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_ERROR_TRY_AGAIN_WITH_EXPIRATION" desc="Error message that encourages the user to try to re-enter their credit card expiration date and CVC after a previous failed attempt.">
     Check your expiration date and CVC and try again
   </message>
   <if expr="_google_chrome">
     <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_ERROR_PERMANENT" desc="Error message to show when a credit card cannot be verified and the user isn't allowed to retry.">
       Chrome was unable to verify your card at this time. Please try again later.
@@ skipping 68 matching lines @@
     /
   </message>
   <message name="IDS_AUTOFILL_CARD_UNMASK_NEW_CARD_LINK" desc="Text for link that prompts user to update their credit card after it may have been re-issued." formatter_data="android_java">
     New card?
   </message>
   <message name="IDS_AUTOFILL_DIALOG_PLACEHOLDER_CVC" desc="The placeholder/label text for credit card verification code in the requestAutocomplete dialog.">
     CVC
   </message>
 
 </grit-part>