[Detail]
Android has defined neverallow rules
to restrict direct access to system files.
We need to have a custom label for each policy.
[Solution]
Define custom label for drmserver
MTK-Commit-Id: 996de9ff486db13908f6d58b476613957d4f336d
Change-Id: I34c8d86c1baf9daa02e29323007e4136c6048b31
CR-Id: ALPS02333452
Feature: OMA DRM V1.0