RFR: JDK-8308047 java/util/concurrent/ScheduledThreadPoolExecutor/BasicCancelTest.java timed out and also had jcmd pipe errors

Fri Jun 9 09:19:48 UTC 2023

The test used a too-small heap for generic testing, and coupled with looking at `freeMemory()` it led to a less-than-ideal determinism of execution of the test.

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Commit messages:
 - Increasing minimum heap size to make the BasicCancelTest complete more timely,

Changes: https://git.openjdk.org/jdk/pull/14389/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14389&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308047
  Stats: 3 lines in 2 files changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/14389.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14389/head:pull/14389

PR: https://git.openjdk.org/jdk/pull/14389