[jdk21] RFR: 8309819: Clarify API note in Class::getName and MethodType::toMethodDescriptorString

Sat Jul 1 00:53:22 UTC 2023

Hi all,

This pull request contains a backport of commit [8c8e9d91](https://github.com/openjdk/jdk/commit/8c8e9d911d388f6ee621ed4d322efc56a9876708) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Chen Liang on 30 Jun 2023 and was reviewed by Mandy Chung.

The associated CSR https://bugs.openjdk.org/browse/JDK-8309823 has already been approved for release 21 as well.

Thanks!

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Commit messages:
 - Backport 8c8e9d911d388f6ee621ed4d322efc56a9876708

Changes: https://git.openjdk.org/jdk21/pull/89/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=89&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309819
  Stats: 47 lines in 2 files changed: 10 ins; 10 del; 27 mod
  Patch: https://git.openjdk.org/jdk21/pull/89.diff
  Fetch: git fetch https://git.openjdk.org/jdk21.git pull/89/head:pull/89

PR: https://git.openjdk.org/jdk21/pull/89