[jdk11u-dev] RFR: 8310380: Handle problems in core-related tests on macOS when codesign tool does not work [v2]

[Andrew Lu]

> Backport 8310380
> add backports for JDK-8270199, JDK-8248194, JDK-8248667

Andrew Lu has updated the pull request incrementally with one additional commit since the last revision:

  Backport 39c104df44f17c1d65e35becd4272f73e2c6610c

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Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2577/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2577/files/7214ab3c..862d0743

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2577&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2577&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2577.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2577/head:pull/2577

PR: https://git.openjdk.org/jdk11u-dev/pull/2577