Optimizer: added power based optimization

[pbartosik]

Description

1. Added the option to optimize based on power draw to the optimizer library
2. Added the option to optimize based on power draw to the optimizer CLI tool
3. Power information is pulled from Metrics Manager
4. fps or power limits can now be configured for all optimization types

Any Newly Introduced Dependencies

1. prometheus-client (Apache-2.0)
2. requests (Apache-2.0)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Checklist:

• I agree to use the MIT license for my code changes.
• I have not introduced any 3rd party components incompatible with MIT.
• I have not included any company confidential information, trade secret, password or security token.
• I have performed a self-review of my code.