RFR: dcubed - cleanup2 changes (JVM/TI, JDI, JDWP) [v2]

[Daniel D.Daugherty]

> Trivial cleanup changes to JVM/TI, JDI and JDWP.

Daniel D. Daugherty has updated the pull request incrementally with one additional commit since the last revision:

  dcubed - cleanup2 changes - one more JVM/TI cleanup

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Changes:
  - all: https://git.openjdk.java.net/loom/pull/153/files
  - new: https://git.openjdk.java.net/loom/pull/153/files/ba64fa14..f99d97aa

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=loom&pr=153&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=loom&pr=153&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/loom/pull/153.diff
  Fetch: git fetch https://git.openjdk.java.net/loom pull/153/head:pull/153

PR: https://git.openjdk.java.net/loom/pull/153