Merge changes Ic611f72d,Ib257a37d,I78ef198e,I7bcb0cd9

* changes:
  authfs: Support write config/operation in fuse
  authfs: Reorganize modules & rename flags/classes/vars
  authfs: Remote file editor over binder
  authfs: Implement VerifiedFileEditor
tree: 78684c833f864e90dcefccc45d8d1b3dd109fd7f
  1. apex/
  2. authfs/
  3. docs/
  4. microdroid/
  5. tests/
  6. virtmanager/
  7. vm/
  8. .clang-format
  9. PREUPLOAD.cfg