Extend the "Clear data" button translation limit to 30 chars.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 447 matching lines @@
       </message>
       <message name="IDS_CLEAR_PASSWORDS_TITLE" desc="Title for Clear Passwords in Clear Browsing Data preference">
         Saved passwords
       </message>
       <message name="IDS_CLEAR_FORM_DATA_TITLE" desc="Title for Clear Form Data in Clear Browsing Data preference">
         Autofill form data
       </message>
       <message name="IDS_CLEAR_BROWSING_DATA_PROGRESS_TITLE" desc='Title for the progress dialog used when waiting for "clear browsing data" to complete.'>
         Clearing browsing data
       </message>
-      <message name="IDS_CLEAR_DATA_DELETE" desc="Button that allows the user to clear their browsing data. [CHAR-LIMIT=20]">
+      <message name="IDS_CLEAR_DATA_DELETE" desc="Button that allows the user to clear their browsing data. [CHAR-LIMIT=30]">
         Clear data
       </message>
       <message name="IDS_CLEAR_BROWSING_DATA_PROGRESS_MESSAGE" desc='Message on the progress dialog used when waiting for "clear browsing data" to complete.'>
         Please wait…
       </message>
       <message name="IDS_CAN_NOT_CLEAR_BROWSING_HISTORY_TOAST" desc="Message on the toast explaining that child account users can not clear their browsing history.">
         Browsing history can’t be cleared with accounts for kids
       </message>
       <message name="IDS_CLEAR_BROWSING_DATA_PERIOD_TITLE" desc="Label of the dropdown that selects the time period for which browsing data will be deleted. This sentence can be followed by any option, such as 'Clear data from the past day' or 'Clear data from the past hour'.">
         Clear data from the
@@ skipping 1869 matching lines @@
       </message>
       <message name="IDS_PAYMENTS_SUCCESS_MESSAGE" desc="The text that informs the user that the payment has been verified and charged.">
         Payment processed
       </message>
       <message name="IDS_PAYMENTS_ERROR_MESSAGE" desc="The text that informs the user that there is error in verifying and charging the payment.">
         Error processing payment
       </message>
     </messages>
   </release>
 </grit>