Added "slide" to slide-to-unlock spoken instructions.

    <string name="content_description_sliding_handle">"Sliding handle. Touch &amp; hold."</string>

    <!-- Description of the up direction in which one can to slide the handle in the Slide unlock screen. [CHAR LIMIT=NONE] -->

    <string name="description_direction_up">Up for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <string name="description_direction_up">Slide up for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <!-- Description of the down direction in which one can to slide the handle in the Slide unlock screen. [CHAR LIMIT=NONE] -->

    <string name="description_direction_down">Down for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <string name="description_direction_down">Slide down for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <!-- Description of the left direction in which one can to slide the handle in the Slide unlock screen. [CHAR LIMIT=NONE] -->

    <string name="description_direction_left">"Left for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <string name="description_direction_left">"Slide left for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <!-- Description of the right direction in which one can to slide the handle in the Slide unlock screen. [CHAR LIMIT=NONE] -->

    <string name="description_direction_right">Right for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <string name="description_direction_right">Slide right for <xliff:g id="target_description" example="Unlock">%s</xliff:g>.</string>

    <!-- Description of the unlock target in the Slide unlock screen. [CHAR LIMIT=NONE] -->

    <string name="description_target_unlock">Unlock</string>