[jdk19] RFR: 8290252: Add TEST.properties to java/nio/channels/FileChannel and move tests out of largeMemory sub-dir [v3]

[Jaikiran Pai]

On Wed, 13 Jul 2022 18:26:32 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Attempt to make `FIleChannel` tests not run concurrently with each other.
>
> Brian Burkhalter has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   8290252: Remove java/nio/channels/FileChannel/largeMemory TEST.ROOT

Marked as reviewed by jpai (Reviewer).

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PR: https://git.openjdk.org/jdk19/pull/139