[foreign-abi] RFR: Update intrinsic annotation on linkToNative

[Paul Sandoz]

`HotspotIntrinsicCandidate` was renamed to `IntrinsicCandidate`

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Commit messages:
 - Update intrinsic annotation on linkToNative 

Changes: https://git.openjdk.java.net/panama-foreign/pull/370/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=370&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/370.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/370/head:pull/370

PR: https://git.openjdk.java.net/panama-foreign/pull/370