Revise strings to up to date for accessibility button chooser.

        <xliff:g id="service_name" example="TalkBack">%1$s</xliff:g></string>

    <!-- Text appearing in a prompt at the top of UI allowing the user to select a target service or feature to be assigned to the Accessibility button in the navigation bar. [CHAR LIMIT=none]-->

    <string name="accessibility_button_prompt_text">Choose a app to use when you tap the accessibility button:</string>

    <string name="accessibility_button_prompt_text">Choose a feature to use when you tap the accessibility button:</string>

    <!-- Text appearing in a prompt at the top of UI allowing the user to select a target service or feature to be assigned to the Accessibility button when gesture navigation is enabled [CHAR LIMIT=none] -->

    <string name="accessibility_gesture_prompt_text">Choose a app to use with the accessibility gesture (swipe up from the bottom of the screen with two fingers):</string>

    <string name="accessibility_gesture_prompt_text">Choose a feature to use with the accessibility gesture (swipe up from the bottom of the screen with two fingers):</string>

    <!-- Text appearing in a prompt at the top of UI allowing the user to select a target service or feature to be assigned to the Accessibility button when gesture navigation and TalkBack is enabled [CHAR LIMIT=none] -->

    <string name="accessibility_gesture_3finger_prompt_text">Choose a app to use with the accessibility gesture (swipe up from the bottom of the screen with three fingers):</string>

    <string name="accessibility_gesture_3finger_prompt_text">Choose a feature to use with the accessibility gesture (swipe up from the bottom of the screen with three fingers):</string>

    <!-- Text describing how to display UI allowing a user to select a target service or feature to be assigned to the Accessibility button in the navigation bar. [CHAR LIMIT=none]-->

    <string name="accessibility_button_instructional_text">To switch between apps, touch &amp; hold the accessibility button.</string>

    <string name="accessibility_button_instructional_text">To switch between features, touch &amp; hold the accessibility button.</string>

    <!-- Text describing how to display UI allowing a user to select a target service or feature to be assigned to the Accessibility button when gesture navigation is enabled. [CHAR LIMIT=none] -->

    <string name="accessibility_gesture_instructional_text">To switch between apps, swipe up with two fingers and hold.</string>

    <string name="accessibility_gesture_instructional_text">To switch between features, swipe up with two fingers and hold.</string>

    <!-- Text describing how to display UI allowing a user to select a target service or feature to be assigned to the Accessibility button when gesture navigation and TalkBack is enabled. [CHAR LIMIT=none] -->

    <string name="accessibility_gesture_3finger_instructional_text">To switch between apps, swipe up with three fingers and hold.</string>

    <string name="accessibility_gesture_3finger_instructional_text">To switch between features, swipe up with three fingers and hold.</string>

    <!-- Text used to describe system navigation features, shown within a UI allowing a user to assign system magnification features to the Accessibility button in the navigation bar. -->

    <string name="accessibility_magnification_chooser_text">Magnification</string>