RFR: Merge jdk8u342-b02

[Sergey Nazarkin]

Sync with jdk8u342-b02. This is mostly test PR to verify jcheck functionality

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Commit messages:
 - Merge
 - 8221988: add possibility to build with Visual Studio 2019
 - 8170530: bash configure output contains a typo in a suggested library name
 - 8235211: serviceability/attach/RemovingUnixDomainSocketTest.java fails with AttachNotSupportedException: Unable to open socket file

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.java.net/?repo=aarch32-port-jdk8u&pr=1&range=00.0
 - jdk8u342-b02: https://webrevs.openjdk.java.net/?repo=aarch32-port-jdk8u&pr=1&range=00.1

Changes: https://git.openjdk.java.net/aarch32-port-jdk8u/pull/1/files
  Stats: 325 lines in 9 files changed: 274 ins; 2 del; 49 mod
  Patch: https://git.openjdk.java.net/aarch32-port-jdk8u/pull/1.diff
  Fetch: git fetch https://git.openjdk.java.net/aarch32-port-jdk8u pull/1/head:pull/1

PR: https://git.openjdk.java.net/aarch32-port-jdk8u/pull/1