RFR: 8303175: (fs) Deprecate com.sun.nio.file.SensitivityWatchEventModifier for removal [v5]

[Brian Burkhalter]

> Deprecate `SensitivityWatchEventModifier` for now instead of directly removing it as proposed in #12626.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8303175: Improve @deprecated verbiage in SensitivityWatchEventModifier

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12746/files
  - new: https://git.openjdk.org/jdk/pull/12746/files/45d63422..ca92fdba

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12746&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12746&range=03-04

  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/12746.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12746/head:pull/12746

PR: https://git.openjdk.org/jdk/pull/12746