RootCanal: Split the controller properties

- Keep in ControllerProperties the static configuration options,
  that do not change for the lifetime of the controller instance
- Move the LinkLayerController the configuration options that
  are modified by user HCI commands

Test: manual
Bug: 245578454
Ignore-AOSP-First: cherry-pick from AOSP
Change-Id: I78ed3f50064dd6cf5b5692e4d85c5a9701dde8af
Merged-In: I78ed3f50064dd6cf5b5692e4d85c5a9701dde8af