RFR: 8288568: Reduce runtime of java.security microbenchmarks [v2]

[Claes Redestad]

> - Reduce forks, iteration, runtime to reduce runtime while maintaining high data quality on typical benchmarking hosts.
> 
> Reduces runtime from estimated 10+ hours to 54 minutes.

Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:

  Copyrights, apply consistent settings to PermissionsImplies

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9189/files
  - new: https://git.openjdk.org/jdk/pull/9189/files/263c0ae3..8330c018

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9189&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9189&range=00-01

  Stats: 7 lines in 6 files changed: 0 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/9189.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9189/head:pull/9189

PR: https://git.openjdk.org/jdk/pull/9189