[jdk17u-dev] RFR: 8281525: Enable Zc:strictStrings flag in Visual Studio build

[Goetz Lindenmaier]

I backport this for parity with 17.0.18-oracle.

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Commit messages:
 - Backport 23995f822e540d799eb4bbc969229422257fbb08

Changes: https://git.openjdk.org/jdk17u-dev/pull/4077/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4077&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8281525
  Stats: 23 lines in 6 files changed: 0 ins; 0 del; 23 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4077.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4077/head:pull/4077

PR: https://git.openjdk.org/jdk17u-dev/pull/4077