RFR: 8239105: Add exception for expiring Digicert root certificates to Ver…

[Rajan Halade]

8239105: Add exception for expiring Digicert root certificates to Ver…

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Commit messages:
 - 8239105: Add exception for expiring Digicert root certificates to VerifyCACerts test

Changes: https://git.openjdk.java.net/jdk/pull/484/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=484&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8239105
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/484.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/484/head:pull/484

PR: https://git.openjdk.java.net/jdk/pull/484