git: openjdk/jdk11u-dev: 8195716: BootstrapLoggerTest : Executor still alive

[Goetz Lindenmaier]

Changeset: 3c2763f9
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-01-05 21:15:30 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/3c2763f9bcce6560f47f1e4cc333ad29489f9f2d

8195716: BootstrapLoggerTest : Executor still alive

Make sure the test joins the active executor thread before waiting for the executor to be GC'ed.

Backport-of: 2aace6bd9767c9ad91a9f273bd28165169194d93

! test/jdk/java/lang/System/LoggerFinder/internal/BootstrapLogger/BootstrapLoggerTest.java