http2: remember sent headers
Add sentHeaders, sentTrailers, and sentInfoHeaders properties on Http2Stream
.
Fixes: https://github.com/nodejs/node/issues/16619
ping @mcollina
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
http2