Actually generate the gm images on the DDL1 bot

Change-Id: Iea8a798c2711233eaf8e8ce1d627745f7071b77f
Reviewed-on: https://skia-review.googlesource.com/121081
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/infra/bots/recipes/test.expected/Test-Ubuntu17-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-DDL1.json b/infra/bots/recipes/test.expected/Test-Ubuntu17-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-DDL1.json
index d679c74..011b2cd 100644
--- a/infra/bots/recipes/test.expected/Test-Ubuntu17-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-DDL1.json
+++ b/infra/bots/recipes/test.expected/Test-Ubuntu17-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-DDL1.json
@@ -238,6 +238,7 @@
       "--config",
       "gl",
       "--src",
+      "gm",
       "skp",
       "--blacklist",
       "gl1010102",