This adds API note in `Package::isSealed` javadoc to clarify package sealing vs sealed class or interface. Since it's spec clarification, CSR is not strictly needed.
------------- Commit messages: - make it api Note - 8256993: Clarify Package::isSealed javadoc about package sealing vs sealed class or interface Changes: https://git.openjdk.java.net/jdk/pull/1419/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1419&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8256993 Stats: 16 lines in 1 file changed: 15 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/1419.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/1419/head:pull/1419 PR: https://git.openjdk.java.net/jdk/pull/1419
