RFR: Update jdk.json

[Weijun Wang]

Add two lines and expand one.

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Commit messages:
 - Update jdk.json

Changes: https://git.openjdk.java.net/skara/pull/747/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=747&range=00
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/747.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/747/head:pull/747

PR: https://git.openjdk.java.net/skara/pull/747