git: openjdk/jdk: 8258514: Replace Collections.unmodifiableList with List.of

[Xue-Lei Andrew Fan]

Changeset: efd61c6f
Author:    Xue-Lei Andrew Fan <xuelei at openjdk.org>
Date:      2020-12-16 19:42:03 +0000
URL:       https://git.openjdk.java.net/jdk/commit/efd61c6f

8258514: Replace Collections.unmodifiableList with List.of

Reviewed-by: jnimeh

! src/java.base/share/classes/sun/security/ssl/AlpnExtension.java
! src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java
! src/java.base/share/classes/sun/security/ssl/ServerNameExtension.java