net/http: update bundled http2
Updates bundled x/net/http2 to git rev
d0887baf81f4 for:
http2: ignore unknown 1xx responses like HTTP/1
https://golang.org/cl/123615
http2: fix bug in earlier CL 123615
https://golang.org/cl/123675
Also along for the ride, but without any effect:
http2: export a field of an internal type for use by net/http
https://golang.org/cl/123656
Fixes #26189
Updates #17739
Change-Id: I1955d844d74113efbcbbdaa7d7a7faebb2225b45
Reviewed-on: https://go-review.googlesource.com/123676
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>