[OsSettingsLanguages] Add padding-inline-end for padded class

This makes sure line is wrapped appropriately for other languages
when the words flow over.

No change in view for English: http://screen/5eTsrhmsRX7X4nP

Bug: 1113439
Change-Id: Ib8252a4b2f589ddefd4ba7a0ad8e26e16fad0584
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2437310
Commit-Queue: My Nguyen <myy@chromium.org>
Reviewed-by: Regan Hsu <hsuregan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811658}

chrome/browser/resources/settings/chromeos/os_languages_page/change_device_language_dialog.html

@@ -58,6 +58,7 @@
       }
 
       .padded {
+        padding-inline-end: 20px;
         padding-inline-start: 20px;
       }