[infra] Use "mod download" and "install", not "get" in chrome_release_branch

Change-Id: I96bc057df6b538138827fac7129126381038656a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258240
Reviewed-by: Ben Wagner aka dogben <benjaminwagner@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
diff --git a/go.mod b/go.mod
index bce8e8a..b5ba86d 100644
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,6 @@
 	github.com/flynn/json5 v0.0.0-20160717195620-7620272ed633
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
 	github.com/google/uuid v1.1.1
-	go.skia.org/infra v0.0.0-20191204112307-6a511fedc008
+	go.skia.org/infra v0.0.0-20191205170533-8892bdf67fe1
 	google.golang.org/api v0.11.0
 )