Merge "Fix NPE due to a null package name of system enforcing admin." into main

        // Only system authorities use this constructor.

        mIsSystemAuthority = true;

        mIsRoleAuthority = false;

        mPackageName = null;

        // Package name is not used for a system enforcing admin, so an empty string is fine.

        mPackageName = "";

        mSystemEntity = systemEntity;

        mUserId = UserHandle.USER_SYSTEM;

        mComponentName = null;