RFR: 8332014: Fix `@since` tags in `jdk.jshell` [v2]

[Nizar Benalla]

> Please review this small change that aims to make the `@since` in this module more accurate, these bugs were reported by the checker tool at #18934 
> 
> -field: jdk.jshell.Snippet.SubKind:RECORD_SUBKIND
> This should have `@since` 17 as it was a Preview element in JDK 14-16
> 
> -method: java.util.List jdk.jshell.SourceCodeAnalysis.sourceToSnippets(java.lang.String)
> -method: int jdk.jshell.tool.JavaShellToolBuilder.start(java.lang.String[])
> 
> both should have `@since` 10 instead of 9
> 
> Thanks

Nizar Benalla has updated the pull request incrementally with one additional commit since the last revision:

  update copyright year

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19166/files
  - new: https://git.openjdk.org/jdk/pull/19166/files/2e11f9b7..0145bfd6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19166&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19166&range=00-01

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/19166.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19166/head:pull/19166

PR: https://git.openjdk.org/jdk/pull/19166