RFR: 8305664: [BACKOUT] (fs) Remove FileSystem support for resolving against a default directory (chdir configuration)

[Brian Burkhalter]

Revert removal of FileSystem resolution against a default directory.

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Commit messages:
 - 8305664: [BACKOUT] (fs) Remove FileSystem support for resolving against a default directory (chdir configuration)

Changes: https://git.openjdk.org/jdk/pull/13355/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13355&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8305664
  Stats: 108 lines in 15 files changed: 64 ins; 4 del; 40 mod
  Patch: https://git.openjdk.org/jdk/pull/13355.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13355/head:pull/13355

PR: https://git.openjdk.org/jdk/pull/13355