build: avoid explicit time dependency. (#1022)
build: avoid explicit time dependency. (#1022)

Not all environments have a standalone time binary. This will gracefully fallback to the bash time
utility if not available.
jrajahalme/envoy,lizan/envoy,sebrandon1/envoy,fengli79/envoy,envoyproxy/envoy-wasm,lyft/envoy,sebrandon1/envoy,tdmackey/envoy,jrajahalme/envoy,dnoe/envoy,eklitzke/envoy,lizan/envoy,tdmackey/envoy,amalgam8/envoy,istio/envoy,sebrandon1/envoy,jrajahalme/envoy,dnoe/envoy,istio/envoy,lyft/envoy,htuch/envoy,envoyproxy/envoy,lizan/envoy,amalgam8/envoy,istio/envoy,rlazarus/envoy,envoyproxy/envoy,envoyproxy/envoy,dnoe/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,rlazarus/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,jrajahalme/envoy,envoyproxy/envoy,rlazarus/envoy,tdmackey/envoy,tdmackey/envoy,htuch/envoy,envoyproxy/envoy,htuch/envoy,istio/envoy,lyft/envoy,dnoe/envoy,envoyproxy/envoy,eklitzke/envoy,istio/envoy,lyft/envoy,lyft/envoy,lyft/envoy,envoyproxy/envoy,eklitzke/envoy,fengli79/envoy,lizan/envoy,envoyproxy/envoy-wasm,eklitzke/envoy,jrajahalme/envoy,envoyproxy/envoy,sebrandon1/envoy,craffert0/envoy,eklitzke/envoy,craffert0/envoy,rlazarus/envoy,fengli79/envoy,envoyproxy/envoy-wasm,eklitzke/envoy,craffert0/envoy,jrajahalme/envoy,istio/envoy,craffert0/envoy,sebrandon1/envoy,envoyproxy/envoy,amalgam8/envoy,envoyproxy/envoy,lizan/envoy,istio/envoy,lizan/envoy,dnoe/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,amalgam8/envoy,fengli79/envoy