Similar to certificate management with certctl(8) users can use custom,
enterprise CAs. These need to be assembled into a custom cacerts file.
Therefore, an admin can install a custom truststore to an arbitrary
LOCALBASE/etc/ssl/cacerts which can then be used by the OpenJDKlocation and have the OpenJDK port symlink to it by adding
OPENJDK_SYMLINK_CACERTS to make.conf.
E.g., OPENJDK_SYMLINK_CACERTS=/usr/local/etc/ssl/cacerts.
PR: PR: 229329
Approved by: jrm (mentor), otis (mentor), glewis, des, kevans