Citadel: move rules to common directory

Move all the common Citadel rules to a directory where they can all be
changed simultaneously and avoid accidental version skew between the
devices.

Test: build affected devices locally
Bug: 143330574
Change-Id: I381b8dc1e0c814fd564a7a3aeeed0fe8759a65bf
14 files changed
tree: 3a4b8a98d43d463c8a07a8173e662652b8761673
  1. citadel/
  2. OWNERS