RFR: 8254711: Add java.security.Provider.getService JFR Event [v2]

[Sean Coffey]

> Add a JFR Event for `java.security.Provider.getService(String type, String algorithm)` calls.

Sean Coffey has updated the pull request incrementally with one additional commit since the last revision:

  update from review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9657/files
  - new: https://git.openjdk.org/jdk/pull/9657/files/aab692b2..e168152f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9657&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9657&range=00-01

  Stats: 29 lines in 2 files changed: 28 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/9657.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9657/head:pull/9657

PR: https://git.openjdk.org/jdk/pull/9657