Note: needed to define ABSL_LEGACY_THREAD_ANNOTATIONS.
Looks like some of absl's annotations have been renamed
fmt started complaining about StringPiece as an input.
Needed to tweak logging and introduce some tech debt to
strip newlines at the end of the log line without adding
memory copying
created a specific .bazelrc for our project to keep the top level .bazelrc as
close to Envoy's as possible.