Merge "Minor string change to screen pinning"

    <string name="date_picker_day_typeface">sans-serif-medium</string>

    <!-- Notify use that they are in Lock-to-app -->

    <string name="lock_to_app_toast">To unpin this screen, touch &amp; hold Back and Overview.</string>

    <string name="lock_to_app_toast">To unpin this screen, touch &amp; hold Back and Overview buttons.</string>

    <!-- Notify user that they are locked in lock-to-app mode -->

    <string name="lock_to_app_toast_locked">App is pinned: Unpinning isn\'t allowed on this device.</string>

    <!-- Starting lock-to-app indication. -->