RFR: Version flick

[David Simms]

DEFAULT_PROMOTED_VERSION_PRE=jep401ea2

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Commit messages:
 - DEFAULT_PROMOTED_VERSION_PRE=jep401ea2

Changes: https://git.openjdk.org/valhalla/pull/1671/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1671&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/1671.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1671/head:pull/1671

PR: https://git.openjdk.org/valhalla/pull/1671