Fix missing CIPD package for Valgrind perf bots

Bug: skia:
Change-Id: Ia9fb42373d3214ea78976fc140062d5d9b38781a
Reviewed-on: https://skia-review.googlesource.com/18302
Reviewed-by: Eric Boren <borenet@google.com>

infra/bots/gen_tasks.go

@@ -653,6 +653,7 @@ func perf(b *specs.TasksCfgBuilder, name string, parts map[string]string, compil
 		s.ExecutionTimeout = 9 * time.Hour
 		s.Expiration = 48 * time.Hour
 		s.IoTimeout = time.Hour
+		s.CipdPackages = append(s.CipdPackages, b.MustGetCipdPackageFromAsset("valgrind"))
 	} else if strings.Contains(parts["extra_config"], "MSAN") {
 		s.ExecutionTimeout = 9 * time.Hour
 	}

infra/bots/tasks.json

@@ -7188,6 +7188,11 @@
           "name": "skia/bots/svg",
           "path": "svg",
           "version": "version:5"
+        },
+        {
+          "name": "skia/bots/valgrind",
+          "path": "valgrind",
+          "version": "version:6"
         }
       ],
       "dependencies": [
@@ -7235,6 +7240,11 @@
           "name": "skia/bots/svg",
           "path": "svg",
           "version": "version:5"
+        },
+        {
+          "name": "skia/bots/valgrind",
+          "path": "valgrind",
+          "version": "version:6"
         }
       ],
       "dependencies": [