Allow update engine to access to metadata_file.

With virtual-ab feature, update engine needs access
to metadata_file, allow the same.

Change-Id: Ia366da18517db28f4404f2605987e1b36906a83a
7 files changed
tree: a38b976e819d9378c6ebabbfddfdd962e26091fb
  1. generic/
  2. legacy/
  3. product/
  4. qva/
  5. timeservice/
  6. SEPolicy.mk