tree 3b5d41aada41d94f8beaf72223942b0deb500018
parent 3af0f3a7c33454b7847a64a7c1ea550e4dbe9432
author Hai Zhang <zhanghai@google.com> 1543880471 -0800
committer Hai Zhang <zhanghai@google.com> 1543956955 -0800

Fix NPE when serializing roles.xml and add nullability annotations.

This change fixes the NPE when serializing roles.xml if package hash
is null, and added the missing nullability annotations in role manager
service to make things clear and let the IDE warn.

Bug: 110557011
Test: manual
Change-Id: I27b5942ff6091414c527d7d337d7d01218e88fb0