Merge changes Ia89d5976,Ifbc7bc4e,I61100b3f,Ic4ae9c8f,I704b13ad, ...

* changes:
  shim::LeScanningManager: Use shim storage
  Remove AdapterConfig
  Storage: Remove save and flush
  StorageModuleTest: Enable tests
  Storage: Abort if the callback is invalidated
  Storage: Encapsulate ConfigCache
  Storage: Only save when storage has changed