Add summary text for account sync.

    <string name="auto_sync_account_summary">Let apps refresh data automatically</string>

    <!-- Preference label to sync account [CHAR LIMIT=60] -->

    <string name="account_sync_title">Account sync</string>

    <!-- Preference summary for account sync when syncing is on for some items [CHAR LIMIT=NONE] -->

    <string name="account_sync_summary_some_on">Sync on for <xliff:g name="count" example="5">%1$d</xliff:g> of <xliff:g name="total" example="8">%2$d</xliff:g> items</string>

    <!-- Preference summary for account sync when syncing is on for everything [CHAR LIMIT=NONE] -->

    <string name="account_sync_summary_all_on">Sync on for all items</string>

    <!-- Preference summary for account sync when syncing is off for everything [CHAR LIMIT=NONE] -->

    <string name="account_sync_summary_all_off">Sync off for all items</string>

    <!-- Enterprise Privacy --> <skip />