devtools

f7197297 - TBR: Add getSupportedProtocols to VM Service Wrapper + pin webdev (#2062)

TBR: Add getSupportedProtocols to VM Service Wrapper + pin webdev (#2062) * Add implementation of getSupportedProtocols * Pin to webdev 2.5.6 until getSupportedProtocols issue is fixed See https://github.com/dart-lang/webdev/issues/1037 * Update vm_service versions to v4.1 * Add IDs to all constructors that now require them * Add more IDs * Add a comment above the hard-coded version