git: openjdk/jdk11u-dev: 8230067: Add optional automatic retry when running jtreg tests

[Christoph Langer]

Changeset: 5de08c55
Author:    Christoph Langer <clanger at openjdk.org>
Date:      2021-10-05 11:00:15 +0000
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/5de08c55fb3e26abd9a63c832a15f98769daed8c

8230067: Add optional automatic retry when running jtreg tests

Reviewed-by: mdoerr
Backport-of: 72cb073c095014f6babab50c20029ba9f2986f1b

! doc/testing.html
! doc/testing.md
! make/RunTests.gmk