AI 148216: Provide UI for fixed sync window sizes, as required by EAS.
  When in fixed sync window size mode, change "load more
  messages" to "refresh".
  BUG=1789913

Automated import of CL 148216
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a7d8da2..0109d31 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -329,6 +329,20 @@
     <string name="account_setup_options_notify_label">Notify me when email arrives.</string>
     <!-- Dialog title when "setup" could not finish -->
     <string name="account_setup_failed_dlg_title">Setup could not finish</string>
+    <!-- In Account setup options screen, label for email check frequency selector -->
+    <string name="account_setup_options_mail_window_label">Amount to synchronize</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_1day">One day</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_3days">Three days</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_1week">One week</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_2weeks">Two weeks</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_1month">One month</string>
+    <!-- In account setup options & account settings screens (exchange), sync window length  -->
+    <string name="account_setup_options_mail_window_all">All mail</string>
 
     <!-- "Setup could not finish" dialog text; e.g., Username or password incorrect -->
     <string name="account_setup_failed_dlg_auth_message">Username or password incorrect.</string>