Convert ProjectControl visibility checks to PermissionBackend

Gerrit core is hiding methods on ProjectControl to transition to
PermissionBackend.  Replace use of isReadable and allRefsAreVisible,
checking ACCESS and READ permission instead.

Change-Id: Ib426d14d6a535cbe2ebcfba456bc2cc094311ed7
3 files changed
tree: aa749eb767373db26c33c0bdfb999f887088122d
  1. .settings/
  2. src/
  3. .gitignore
  4. .mailmap
  5. BUILD
  6. LICENSE