[jdk11u-dev] RFR: 8195716: BootstrapLoggerTest : Executor still alive

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

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Commit messages:
 - Backport 2aace6bd9767c9ad91a9f273bd28165169194d93

Changes: https://git.openjdk.org/jdk11u-dev/pull/1635/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1635&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8195716
  Stats: 69 lines in 1 file changed: 39 ins; 10 del; 20 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1635.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1635/head:pull/1635

PR: https://git.openjdk.org/jdk11u-dev/pull/1635