hg: jdk/sandbox: 8246592: Simplify checking of boolean file attributes

[chris.hegarty at oracle.com]

Changeset: e176342b5605
Author:    redestad
Date:      2020-06-08 22:47 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/e176342b5605

8246592: Simplify checking of boolean file attributes
Reviewed-by: rriggs, alanb

! src/java.base/share/classes/java/io/File.java
! src/java.base/share/classes/java/io/FileSystem.java
! src/java.base/unix/classes/java/io/UnixFileSystem.java
! test/micro/org/openjdk/bench/java/io/FileOpen.java