git: openjdk/jdk: 8293202: Document how to edit doc/testing, doc/building

[Erik Joelsson]

Changeset: 7c2f2994
Author:    Ludvig Janiuk <ludvig.j.janiuk at oracle.com>
Committer: Erik Joelsson <erikj at openjdk.org>
Date:      2022-09-01 16:39:22 +0000
URL:       https://git.openjdk.org/jdk/commit/7c2f2994da1577152870eaf2ea71dfba470c29ef

8293202: Document how to edit doc/testing, doc/building

Reviewed-by: erikj

! doc/building.html
! doc/building.md
! doc/testing.html
! doc/testing.md