Negate Golang 1.16 go mod download affecting go.sum (#382)

Author: Eric Van Norman

files/common/Makefile.common.mk

@@ -73,6 +73,12 @@ tidy-go:
 
 mod-download-go:
 	@-GOFLAGS="-mod=readonly" go mod download
+# go mod tidy is needed with Golang 1.16+ as go mod download affects go.sum
+# https://github.com/golang/go/issues/43994
+	@go mod tidy
+
+list-all-go:
+	@-GOFLAGS="-mod=readonly" go list -deps -test
 
 format-go: tidy-go
 	@${FINDFILES} -name '*.go' \( ! \( -name '*.gen.go' -o -name '*.pb.go' \) \) -print0 | ${XARGS} common/scripts/format_go.sh