RFR: 8265227: Move Proc.java from security/testlibrary to test/lib

[Weijun Wang]

I'd like to move this tool to test/lib inside a proper named package.

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Commit messages:
 - 8265227: Move Proc.java from security/testlibrary to test/lib

Changes: https://git.openjdk.java.net/jdk/pull/3496/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3496&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265227
  Stats: 18 lines in 8 files changed: 10 ins; 1 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3496.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3496/head:pull/3496

PR: https://git.openjdk.java.net/jdk/pull/3496