RFR: 8291762: Backout JDK-8291757 from jdk/jdk

[David Holmes]

Restore the "ea" on the version string

Thanks

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Commit messages:
 - 8291762: Backout JDK-8291757 from jdk/jdk

Changes: https://git.openjdk.org/jdk/pull/9739/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9739&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8291762
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/9739.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9739/head:pull/9739

PR: https://git.openjdk.org/jdk/pull/9739