[jdk11u-dev] RFR: 8254350: CompletableFuture.get may swallow InterruptedException

[luchenlin]

I backport this for parity with 11.0.20-oracle.

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Commit messages:
 - Backport 43dc3f79

Changes: https://git.openjdk.org/jdk11u-dev/pull/1961/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1961&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8254350
  Stats: 232 lines in 3 files changed: 188 ins; 20 del; 24 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1961.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1961/head:pull/1961

PR: https://git.openjdk.org/jdk11u-dev/pull/1961