git: openjdk/mobile: 8233712: Limit default tests jobs based on ulimit -u setting

[duke]

Changeset: 753c58b7
Author:    Severin Gehwolf <sgehwolf at openjdk.org>
Date:      2019-11-06 18:06:36 +0000
URL:       https://git.openjdk.java.net/mobile/commit/753c58b7

8233712: Limit default tests jobs based on ulimit -u setting

Reviewed-by: erikj, ihse

! make/RunTests.gmk
! make/RunTestsPrebuiltSpec.gmk
! make/autoconf/basics.m4
! make/autoconf/spec.gmk.in