Issue 3199 - "Firefox" string is displayed on several error messages

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

Index: mobile/android/base/locales/en-US/sync_strings.dtd
===================================================================
--- a/mobile/android/base/locales/en-US/sync_strings.dtd
+++ b/mobile/android/base/locales/en-US/sync_strings.dtd
@@ -243,17 +243,17 @@
      status activity, which lets them manage their Firefox
      Account. -->
 <!ENTITY fxaccount_options_title '&syncBrand.shortName.label; Options'>
 <!ENTITY fxaccount_options_configure_title 'Configure &syncBrand.shortName.label;'>
 
 <!-- Localization note: these error messages are shown after a request
      has been made to the remote server, and an error of some type has
      been returned. -->
-<!ENTITY fxaccount_remote_error_UPGRADE_REQUIRED 'You need to upgrade Firefox'>
+<!ENTITY fxaccount_remote_error_UPGRADE_REQUIRED 'You need to upgrade Adblock Browser'>
 
 <!-- Localization note: the format string will be fxaccount_sign_in_button_label, linkified. -->
 <!ENTITY fxaccount_remote_error_ATTEMPT_TO_CREATE_AN_ACCOUNT_THAT_ALREADY_EXISTS_2 'Account already exists. &formatS1;'>
 <!ENTITY fxaccount_remote_error_ATTEMPT_TO_ACCESS_AN_ACCOUNT_THAT_DOES_NOT_EXIST 'Invalid email or password'>
 <!ENTITY fxaccount_remote_error_INCORRECT_PASSWORD 'Invalid email or password'>
 <!ENTITY fxaccount_remote_error_ATTEMPT_TO_OPERATE_ON_AN_UNVERIFIED_ACCOUNT 'Account is not verified'>
 <!ENTITY fxaccount_remote_error_CLIENT_HAS_SENT_TOO_MANY_REQUESTS 'Server busy, try again soon'>
 <!ENTITY fxaccount_remote_error_SERVICE_TEMPORARILY_UNAVAILABLE_TO_DUE_HIGH_LOAD 'Server busy, try again soon'>