RFR: CODETOOLS-7902960: Need to add some --add-exports to micros-javac

[Eric Caspole]

Needed due to  JDK-8266851.

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Commit messages:
 - CODETOOLS-7902960: Need to add some --add-exports to micros-javac

Changes: https://git.openjdk.java.net/jmh-jdk-microbenchmarks/pull/9/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmh-jdk-microbenchmarks&pr=9&range=00
  Issue: https://bugs.openjdk.java.net/browse/CODETOOLS-7902960
  Stats: 20 lines in 2 files changed: 0 ins; 0 del; 20 mod
  Patch: https://git.openjdk.java.net/jmh-jdk-microbenchmarks/pull/9.diff
  Fetch: git fetch https://git.openjdk.java.net/jmh-jdk-microbenchmarks pull/9/head:pull/9

PR: https://git.openjdk.java.net/jmh-jdk-microbenchmarks/pull/9