Bug 1285926 - Post: Remove trailing whitespace from string. r=flod

MozReview-Commit-ID: KuNXcoiAJV5

--HG--
extra : amend_source : 7c935772626f3d5d394d50de5a46749ed5b28af7

mobile/android/base/locales/en-US/android_strings.dtd

@@ -276,7 +276,7 @@
      Instead of switching to the browser it appears as if the user stays in the third-party app.
      For more see: https://developer.chrome.com/multidevice/android/customtabs -->
 <!ENTITY pref_custom_tabs "Custom Tabs">
-<!ENTITY pref_custom_tabs_summary "Allow third-party apps to open URLs with a customized look and feel. ">
+<!ENTITY pref_custom_tabs_summary "Allow third-party apps to open URLs with a customized look and feel.">
 
 <!ENTITY tracking_protection_prompt_title "Now with Tracking Protection">
 <!ENTITY tracking_protection_prompt_text "Actively block tracking elements so you don\'t have to worry.">