[release-branch.go1.13] net/http: fix Server.ConnContext modifying context for all new connections
Updates #35750
Fixes #35765
Change-Id: I65d38cfc5ddd66131777e104c269cc3559b2471d
GitHub-Last-Rev:
953fdfd49b2be665be43f8148d2a6180dae3b91c
GitHub-Pull-Request: golang/go#35751
Reviewed-on: https://go-review.googlesource.com/c/go/+/208318
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
(cherry picked from commit
bbbc6589dfbc05be2bfa59f51c20f9eaa8d0c531)
Reviewed-on: https://go-review.googlesource.com/c/go/+/208235
Reviewed-by: Bryan C. Mills <bcmills@google.com>