Parameterizes `Lookup::accessClass` and `Lookup::ensureInitialized`. Updated an applicable use-site within JDK to benefit from this patch.
------------- Commit messages: - update use sites - 8288730: `Lookup::accessClass(Class)` should be generic on the type of `targetClass` Changes: https://git.openjdk.org/jdk/pull/12984/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12984&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8288730 Stats: 6 lines in 2 files changed: 2 ins; 1 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/12984.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12984/head:pull/12984 PR: https://git.openjdk.org/jdk/pull/12984
