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

[Brian Burkhalter]

> 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

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Changes:
  - all: https://git.openjdk.org/jdk19/pull/139/files
  - new: https://git.openjdk.org/jdk19/pull/139/files/1148e3a2..554a9b89

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk19&pr=139&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk19&pr=139&range=01-02

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk19/pull/139.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/139/head:pull/139

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