[jdk11u-dev] RFR: 8292717: Clean up checking of testing requirements in configure [v2]

[Goetz Lindenmaier]

> I backport this because then 8314495 can be backported clean. Also brings 11 closer to 17.
> 
> configure.ac::
> I had to resolve two chunks. In one, I needed to omit the coding for JMH which is not
> supported by 11.
> 
> jdk-options.m4, toolchanin.m4
> Deleted function has different body, deleted by hand.
> 
> lib-tests.m4: Copyright.
> 
> The original change moves and renames three
> functions to lib-tests.m4. It does not change
> the implementation of these.
> So I modified the added code in lib-tests.m4
> to have the unchanged function bodies that
> were deleted in the other files.

Goetz Lindenmaier has updated the pull request incrementally with one additional commit since the last revision:

  Add line break

-------------

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2600/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2600/files/2b85a35e..f1776f89

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2600&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2600&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2600.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2600/head:pull/2600

PR: https://git.openjdk.org/jdk11u-dev/pull/2600