Merge changes I1ec20b6f,Id556f5ae

* changes:
  authfs: support resizing file
  authfs: Drop support of direct I/O
tree: a634174ae21b9246d3144dfbf1e4f469600759b5
  1. apex/
  2. authfs/
  3. docs/
  4. microdroid/
  5. tests/
  6. virtmanager/
  7. vm/
  8. .clang-format
  9. PREUPLOAD.cfg