git: openjdk/jdk: 8273194: Document the two possible cases when Lookup::ensureInitialized returns

[Mandy Chung]

Changeset: ec9d1beb
Author:    Mandy Chung <mchung at openjdk.org>
Date:      2021-09-10 17:17:31 +0000
URL:       https://git.openjdk.java.net/jdk/commit/ec9d1bebd772b3ca4ad3e0654cb4833c72ee238a

8273194: Document the two possible cases when Lookup::ensureInitialized returns

Reviewed-by: alanb

! src/java.base/share/classes/java/lang/invoke/MethodHandles.java