RFR: 8345876: Update nativeAddAtIndex comment to match the code [v2]

[Saagar Jha]

> 8345876: Update nativeAddAtIndex comment to match the code

Saagar Jha has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains one additional commit since the last revision:

  Update nativeAddAtIndex comment to match the code

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22627/files
  - new: https://git.openjdk.org/jdk/pull/22627/files/62da15c0..ba67be45

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22627&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22627&range=00-01

  Stats: 5443 lines in 1149 files changed: 3353 ins; 432 del; 1658 mod
  Patch: https://git.openjdk.org/jdk/pull/22627.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22627/head:pull/22627

PR: https://git.openjdk.org/jdk/pull/22627