api: update next.txt
api: update next.txt

Change-Id: Ib342468f3727be0cd6268ab824ad06d783ee7c94
Reviewed-on: https://go-review.googlesource.com/73993
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

Cofyc/go,CAFxX/go,josharian/go,golang/go,Cofyc/go,cloudflare/go,nawawi/go,akutz/go,codestation/go,Cofyc/go,Cofyc/go,nawawi/go,codestation/go,akutz/go,golang/go,golang/go,akutz/go,cloudflare/go,golang/go,golang/go,josharian/go,Cofyc/go,josharian/go,akutz/go,josharian/go,cloudflare/go,codestation/go,golang/go,codestation/go,akutz/go,josharian/go,CAFxX/go,akutz/go,CAFxX/go,cloudflare/go,cloudflare/go,nawawi/go,golang/go,akutz/go,CAFxX/go,nawawi/go,cloudflare/go,nawawi/go,Cofyc/go,nawawi/go,codestation/go,nawawi/go,josharian/go,josharian/go,CAFxX/go,codestation/go,golang/go,akutz/go,cloudflare/go,CAFxX/go,Cofyc/go,codestation/go,codestation/go,christopher-henderson/Go,josharian/go,Cofyc/go,cloudflare/go,CAFxX/go,CAFxX/go,nawawi/go