1. update policy for manila, use role instead of rule
2. update policy for trove, use role instead of rule
3. update the dependencies for skyline-policy-manager
Change-Id: I57f010f769575f7b75673c5c154eac4fed07b708
1. Add skyline-policy-manager unit test case and tools
2. Update `setup` method type annotation
3. Move some constants to `skyline_policy_manager.constants`
4. Adjust import to use modules instead of functions
5. Update code format
Change-Id: Ic72e21126de0b16e4d969ad48ce64c57542c4667
