hg: jdk/sandbox: 8240734: ModuleHashes attribute not reproducible between builds

[chris.hegarty at oracle.com]

Changeset: a611125840f0
Author:    fyang
Date:      2020-03-09 18:21 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/a611125840f0

8240734: ModuleHashes attribute not reproducible between builds
Reviewed-by: alanb
Contributed-by: hedongbo at huawei.com

! src/java.base/share/classes/jdk/internal/module/ModuleHashes.java
! src/java.base/share/classes/jdk/internal/module/ModuleHashesBuilder.java