hg: jdk/sandbox: Add configure testing (pushed seprately in JDK-8239860)

[magnus.ihse.bursie at oracle.com]

Changeset: 657c93430f9b
Author:    ihse
Date:      2020-02-24 14:12 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/657c93430f9b

Add configure testing (pushed seprately in JDK-8239860)

! make/RunTests.gmk
! make/autoconf/util.m4
! test/make/TestMake.gmk
+ test/make/autoconf/test-configure.sh
+ test/make/autoconf/test.m4