Add support for starttls on the client side. This is exactly the same
code as used for the server implementation, just reused.
Risk level: Low
Signed-off-by: Bryce Anderson <banderson@twitter.com>
Mirrored from https://github.com/envoyproxy/envoy @ 9f2bb17be1fe970119e18dbe507dc2ddd31928e6
Fixing "warning: Import ... but not used" warnings from protoc
Risk Level: Low
Testing: manually built protos
Signed-off-by: Chris Heisterkamp <cheister@squareup.com>
Mirrored from https://github.com/envoyproxy/envoy @ 209b8f96498162834856a4330f27deafdf7e0518