RFR: 8311546: Certificate name constraints improperly validated with leading period [v3]

[Ben Perez]

> Updated the `constrains` method in `DNSName.java` to accept certificates with a leading period.

Ben Perez has updated the pull request incrementally with one additional commit since the last revision:

  removed set property

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16295/files
  - new: https://git.openjdk.org/jdk/pull/16295/files/6db8c331..7cf1628c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16295&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16295&range=01-02

  Stats: 3 lines in 1 file changed: 0 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/16295.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16295/head:pull/16295

PR: https://git.openjdk.org/jdk/pull/16295