RFR: 8276795: Deprecate seldom used CDS flags [v2]

[Harold Seigel]

> Please review this small change to deprecate seldom used CDS flags.  The flags will be deprecated in 18, obsoleted in 19, and removed in a later release.
> 
> The changes were tested with Mach5 tiers 1-2 on Linux, Mac OS, and Windows, and Mach5 tiers 3-5 on Linux x64.
> 
> Thanks, Harold

Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:

  Add (Deprecated) to comments and add options to deprecated test

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6390/files
  - new: https://git.openjdk.java.net/jdk/pull/6390/files/aad3f00b..9d49730e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6390&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6390&range=00-01

  Stats: 11 lines in 2 files changed: 4 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6390.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6390/head:pull/6390

PR: https://git.openjdk.java.net/jdk/pull/6390