RFR: 8255394: jdk/test/lib/hexdump/ASN1FormatterTest.java fails with ---illegal-access=deny

[Roger Riggs]

To access the internal security APIs to lookup known OIDs the test needs to open java.base/sun.security.util.

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Commit messages:
 - 8255394: jdk/test/lib/hexdump/ASN1FormatterTest.java fails with ---illegal-access=deny

Changes: https://git.openjdk.java.net/jdk/pull/881/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=881&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255394
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/881.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/881/head:pull/881

PR: https://git.openjdk.java.net/jdk/pull/881