Add VPC-SC support for Regions, device policy and access policy dependency (#210)

* Add VPC-SC support for Regions, device policy and access policy dependency.

* fix compute mig module test

* Fixes

* Fix example

Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>

tests/modules/compute_mig/test_plan.py

@@ -61,7 +61,7 @@ def test_autoscaler(plan_runner):
   assert autoscaler['type'] == 'google_compute_autoscaler'
   assert autoscaler['values']['autoscaling_policy'] == [{
       'cooldown_period': 60,
-      'cpu_utilization': [{'target': 65}],
+      'cpu_utilization': [{'predictive_method': 'NONE', 'target': 65}],
       'load_balancing_utilization': [],
       'max_replicas': 3,
       'metric': [],