RFR: 8278080: Add --with-cacerts-src='user cacerts folder' to enable deterministic cacerts generation [v2]

[Andrew Leonard]

> Addition of a configure option --with-cacerts-src='user cacerts folder' to allow developers to specify their own cacerts PEM folder for generation of the cacerts store using the deterministic openjdk GenerateCacerts tool.
> 
> Signed-off-by: Andrew Leonard <anleonar at redhat.com>

Andrew Leonard has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - 8278080: Add --with-cacerts-src='user cacerts folder' to enable deterministic cacerts generation
   
   Signed-off-by: Andrew Leonard <anleonar at redhat.com>
 - Merge branch 'master' of https://github.com/openjdk/jdk into cacertssrc
 - 8278080: Add --with-cacerts-src='user cacerts folder' to enable determinsitic cacerts generation
   
   Signed-off-by: Andrew Leonard <anleonar at redhat.com>
 - 8278080: Add --with-cacerts-src='user cacerts folder' to enable determinsitic cacerts generation
   
   Signed-off-by: Andrew Leonard <anleonar at redhat.com>

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6647/files
  - new: https://git.openjdk.java.net/jdk/pull/6647/files/1084c4e1..16c5ca6b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6647&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6647&range=00-01

  Stats: 1879 lines in 62 files changed: 1045 ins; 297 del; 537 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6647.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6647/head:pull/6647

PR: https://git.openjdk.java.net/jdk/pull/6647