Update screenshots and terminology for extension debugging with developer tools #2189
Description
The Extension Workshop pages describing debugging (Debugging and Developing extensions for Firefox for Android/Debug your extension use old (tab-based) screenshots and various references, other than Developer Tools, to the tool.
The screenshot should be updated to use the separate window-based version and align the terminology to the browser window/feature titles, e.g., Developer Tools and, where necessary, Web Developer Tools.