Improve the readability by adding more comments in the ECDH public key validation implementation in JDK.
------------- Commit messages: - 8264606: More comment for ECDH public key validation Changes: https://git.openjdk.java.net/jdk/pull/3313/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3313&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8264606 Stats: 25 lines in 1 file changed: 18 ins; 1 del; 6 mod Patch: https://git.openjdk.java.net/jdk/pull/3313.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3313/head:pull/3313 PR: https://git.openjdk.java.net/jdk/pull/3313
