[gold] Use image that serves /img/ from frontend directly

This also turns on use_sql by default.

Change-Id: I8db68dd054a2ac5411a3ae30d7824ca26f19ed5a
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/374040
Reviewed-by: Kevin Lubick <kjlubick@google.com>
diff --git a/golden/k8s-config-templates/gold-common.json5 b/golden/k8s-config-templates/gold-common.json5
index 0c1b45b..198ae99 100644
--- a/golden/k8s-config-templates/gold-common.json5
+++ b/golden/k8s-config-templates/gold-common.json5
@@ -2,7 +2,7 @@
     "BASELINE_SERVER_IMAGE": "gcr.io/skia-public/gold-baseline-server:2021-02-22T12_37_36Z-kjlubick-d23f6c7-clean",
     "DIFFCALCULATOR_IMAGE":  "gcr.io/skia-public/gold-diffcalculator:2021-02-22T12_23_04Z-kjlubick-d23f6c7-clean",
     "DIFF_SERVER_IMAGE":     "gcr.io/skia-public/gold-diff-server:2021-01-19T14_27_42Z-kjlubick-450bea3-clean",
-    "FRONTEND_IMAGE":        "gcr.io/skia-public/gold-frontend:2021-02-22T15_39_48Z-kjlubick-fd374f8-clean",
+    "FRONTEND_IMAGE":        "gcr.io/skia-public/gold-frontend:2021-02-23T13_50_54Z-kjlubick-6d6951a-clean",
     "INGESTION_BT_IMAGE":    "gcr.io/skia-public/gold-ingestion:2021-02-15T14_17_39Z-kjlubick-b37d281-clean",
 
     // Services for testing goldpushk.