RFR: 8264686: ClhsdbTestConnectArgument.java should use SATestUtils::validateSADebugDPrivileges

[Yasumasa Suenaga]

[JDK-8263670](https://bugs.openjdk.java.net/browse/JDK-8263670) has introduced `SATestUtils::validateSADebugDPrivileges` to check privileges for on OS X.

https://github.com/openjdk/jdk/blob/a209ed01bafb7721d6b733d1c4bd3f1776463b5e/test/lib/jdk/test/lib/SA/SATestUtils.java#L211-L225

Most of testcases in serviceability/sa/sadebugd use it, however ClhsdbTestConnectArgument.java isn't so yet.

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Commit messages:
 - 8264686: ClhsdbTestConnectArgument.java should use SATestUtils::validateSADebugDPrivileges

Changes: https://git.openjdk.java.net/jdk/pull/3339/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3339&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264686
  Stats: 12 lines in 1 file changed: 0 ins; 11 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3339.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3339/head:pull/3339

PR: https://git.openjdk.java.net/jdk/pull/3339