RFR: JDK-8311115: Type in java.lang.reflect.AccessFlag.METHOD_PARAMETER

[Joe Darcy]

Typo fix; running a spell check over the comments and strings in the file, didn't notice any other problems.

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Commit messages:
 - JDK-8311115: Type in java.lang.reflect.AccessFlag.METHOD_PARAMETER

Changes: https://git.openjdk.org/jdk/pull/14717/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14717&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311115
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/14717.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14717/head:pull/14717

PR: https://git.openjdk.org/jdk/pull/14717