82c9950e9c
This is a reland of ec8fc01d3b
Original change's description:
> Fix completion in Analysis Server LSP mode
>
> Looks like it was initially broken in
> https://dart-review.googlesource.com/c/sdk/+/122962
>
> Change-Id: I83b565223208fc1404c61c6971fdcc41b10fb406
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/125964
> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Change-Id: I06e1dea28e4510334e3fc4f887455a81ccdec916
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/125975
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Ivan Inozemtsev <iinozemtsev@google.com>