[jdk17u-dev] RFR: 8341138: Rename jtreg property docker.support as container.support [v3]

[Goetz Lindenmaier]

> I backport this to make later backports clean.
> 
> test/hotspot/jtreg/TEST.ROOT
> test/jdk/TEST.ROOT
> Resolved due to context.
> 
> test/hotspot/jtreg/containers/docker/TestJFREvents.java
> Resolved due to context.
> 
> test/jdk/jdk/internal/platform/docker/TestGetFreeSwapSpaceSize.java
> Resolved Copyright due to context.
> 
> test/jtreg-ext/requires/VMProps.java
> Several larger resolves and additional edits needed.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - backport 41ee582df8c65f2f26b21e46784cf0bc4ece0585
 - Refactoring of VMProps.java from 8333446.

-------------

Changes: https://git.openjdk.org/jdk17u-dev/pull/3924/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3924&range=02
  Stats: 61 lines in 26 files changed: 6 ins; 1 del; 54 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3924.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3924/head:pull/3924

PR: https://git.openjdk.org/jdk17u-dev/pull/3924