Merge "Add "This device" string for default internal storage" into sc-dev

    <!-- Template for concatenating three app names -->

    <string name="app_names_concatenation_template_3"><xliff:g id="first_app_name">%1$s</xliff:g>, <xliff:g id="second_app_name">%2$s</xliff:g>, <xliff:g id="third_app_name">%3$s</xliff:g></string>

    <!-- Storage Settings dropdown option of default internal storage [CHAR LIMIT=30] -->

    <string name="storage_default_internal_storage">This device</string>

    <!-- Preference label for the Photos & Videos storage section. [CHAR LIMIT=50] -->

    <string name="storage_photos_videos">Photos &amp; videos</string>