* config: add enable_google_cloud_serverless_authentication to config protobuf
* use dependency injection for embedded envoy provider
* Revert "use dependency injection for embedded envoy provider"
This reverts commit 5c08990501.
* config: attach envoy version to Config to avoid metrics depending on envoy/files
* metrics: support dynamic configuration settings
* add test
* trace: update configuration when settings change
* config: allow logging options to be configured when settings change
* envoy: allow changing log settings
* fix unexpected doc change
* fix tests
* pick a port at random
* update based on review