[jdk8u-dev] RFR: 8309122: Bump update version of OpenJDK: 8u392

[Andrew John Hughes]

Rampdown for 8u382 has begun. 8u-dev needs to transition to 8u392.

-------------

Commit messages:
 - 8309122: Bump update version of OpenJDK: 8u392

Changes: https://git.openjdk.org/jdk8u-dev/pull/326/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=326&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309122
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/326.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/326/head:pull/326

PR: https://git.openjdk.org/jdk8u-dev/pull/326