Add Chrome policies ManagedConfigurationPerOrigin and WebAppInstallForceList

[tristanthomas]

What type of PR is this?
/kind feature

What this PR does / why we need it:
This PR adds support for the Chrome policies ManagedConfigurationPerOrigin and WebAppInstallForceList.

Which issue(s) this PR fixes:

• Fixes issue that prevents the Chrome policies ManagedConfigurationPerOrigin and WebAppInstallForceList from applying on Windows machines.
• Adds the ChromeVariations and ManagedConfigurationPerOrigin policies to win_chrome_manual_policy.reg to ensure these policies don't get overwritten by windows_policy_gen.rb.
• Replace double quote with single quote under windows_policy_gen.rb to confirm with the existing formatting of gen_windows_chrome_known_settings.rb
• Regenerate gen_windows_chrome_known_settings.rb using the updated windows_policy_gen.rb.

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Additional documentation e.g., Design Proposals, usage docs, etc.: