Merge "Add "icons" search term for Wallpaper & style" into main

    <string name="keywords_wallpaper">background, theme, grid, customize, personalize</string>

    <!-- List of synonyms for the Styles picker setting, used to match in settings search [CHAR LIMIT=NONE] -->

    <string name="keywords_styles">icon, accent, color, home screen, lock screen, shortcut, clock size</string>

    <string name="keywords_styles">icon, icons, accent, color, home screen, lock screen, shortcut, clock size</string>

    <!-- List of synonyms for the Default Assist and Voice input setting, used to match in settings search [CHAR LIMIT=NONE] -->

    <string name="keywords_assist_input">default, assistant</string>