RFR: 8326112: Javadoc snippet for Linker.Option.captureCallState is wrong

[Per Minborg]

This PR proposes to add an offset parameter for a `VarHandle` invocation in the Javadoc snippet for `Linker.Option.captureCallState()`. The offset parameter was added in 22 but it was forgotten to add it in said Javadoc.

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Commit messages:
 - Add offset parameter to VarHandle invocation

Changes: https://git.openjdk.org/jdk/pull/17909/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17909&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326112
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17909.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17909/head:pull/17909

PR: https://git.openjdk.org/jdk/pull/17909