config: health checker timeout and interval should be greater than 0 (#3734)
config: health checker timeout and interval should be greater than 0 (#3734)

Signed-off-by: Dhi Aurrahman <dio@rockybars.com>

Mirrored from https://github.com/envoyproxy/envoy @ ab86abcb724f8487f4093c28827742bfc8f32577

lyft/envoy-api,lyft/envoy-api,lyft/envoy-api