[v12.x] Backport http2: fix graceful session close#33059

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targos wants to merge 2 commits intonodejs:v12.x-stagingfrom

targos:backport-http2-session

Commits on Apr 25, 2020

http2: wait for session to finish writing before destroy

lundibundi
authored and
targos
committed
http2: wait for session socket writable end on close/destroy

lundibundi
authored and
targos
committed