RFR: JDK-8283274: Improve @jvms usage in java.base

[Joe Darcy]

As was done for JLS references under JDK-8283234, now the analogous update for JVMS references.

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Commit messages:
 - JDK-8283274: Improve @jvms usage in java.base

Changes: https://git.openjdk.java.net/jdk/pull/7844/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7844&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283274
  Stats: 12 lines in 6 files changed: 0 ins; 0 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7844.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7844/head:pull/7844

PR: https://git.openjdk.java.net/jdk/pull/7844