RFR: 8319128: sun/security/pkcs11 tests fail on OL 7.9 aarch64 [v6]

[Matthew Donovan]

> In this PR, I included logic to skip tests on Oracle Linux prior to version 8.  The NSS binaries we are using for testing use a newer version of GLIBC than is included with OL 7.9.

Matthew Donovan 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 11 additional commits since the last revision:

 - added additional class to @build tag
 - Merge branch 'master' into pkcs11-ol79
 - Merge branch 'master' into pkcs11-ol79
 - added isOracleLinux7() to IGNORED method group in TestMutuallyExclusivePlatformPredicates
 - moved isOracleLinux7() method to Platform class
 - simplified logic for determining OL 7
 - Merge branch 'master' into pkcs11-ol79
 - cleaned up MultipleLogins.java a little and added copyright date
 - Merge branch 'master' into pkcs11-ol79
 - Merge branch 'master' into pkcs11-ol79
 - ... and 1 more: https://git.openjdk.org/jdk/compare/1ddab72a...eaaabc25

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16547/files
  - new: https://git.openjdk.org/jdk/pull/16547/files/8f3f41a7..eaaabc25

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16547&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16547&range=04-05

  Stats: 6834 lines in 498 files changed: 4261 ins; 948 del; 1625 mod
  Patch: https://git.openjdk.org/jdk/pull/16547.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16547/head:pull/16547

PR: https://git.openjdk.org/jdk/pull/16547