import missing mysql packages

BUG=b/239224440

Change-Id: I3b3f505fce8c6e2d6fcc531fd07741e3ccd84609
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/35567
Tested-by: Arnav Kansal <rnv@google.com>
Reviewed-by: Arnav Kansal <rnv@google.com>
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
diff --git a/src/pkg/findbuild/findbuild.go b/src/pkg/findbuild/findbuild.go
index b243a5a..f3697b8 100644
--- a/src/pkg/findbuild/findbuild.go
+++ b/src/pkg/findbuild/findbuild.go
@@ -46,7 +46,9 @@
 	"time"
 
 	"cos.googlesource.com/cos/tools.git/src/pkg/utils"
+	_ "github.com/GoogleCloudPlatform/cloudsql-proxy/proxy/dialers/mysql"
 	"github.com/beevik/etree"
+	_ "github.com/go-sql-driver/mysql"
 	"go.chromium.org/luci/common/proto/git"
 	"go.chromium.org/luci/common/proto/gitiles"