infra: register "GPU Mac Builder" and its testers in LUCI Scheduler.

Testers:
 * "Mac Release (Intel)"
 * "Mac Retina Release (AMD)"

R=hinoka@chromium.org, kbr@chromium.org

Bug: 790063,790077,790066
Change-Id: I4a6fb8e97e7bae5462771d9d0a91cd3f02ebd095
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/994119
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Ryan Tseng <hinoka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547928}

infra/config/global/luci-scheduler.cfg

@@ -97,6 +97,7 @@ trigger {
   triggers: "GPU FYI Mac Builder"
   triggers: "GPU FYI Mac Builder (dbg)"
   triggers: "GPU FYI Mac dEQP Builder"
+  triggers: "GPU Mac Builder"
   triggers: "Mac Builder"
   triggers: "Mac Builder (dbg)"
   triggers: "Mac FYI GPU ASAN Release"
@@ -725,6 +726,16 @@ job {
   }
 }
 
+job {
+  id: "GPU Mac Builder"
+  acl_sets: "default"
+  buildbucket: {
+    server: "cr-buildbucket.appspot.com"
+    bucket: "luci.chromium.ci"
+    builder: "GPU Mac Builder"
+  }
+}
+
 job {
   id: "Mac FYI Experimental Release (Intel)"
   # Triggered by "GPU FYI Mac Builder".
@@ -802,6 +813,28 @@ job {
   }
 }
 
+job {
+  id: "Mac Release (Intel)"
+  # Triggered by "GPU Mac Builder".
+  acl_sets: "triggered-by-parent-builders"
+  buildbucket: {
+    server: "cr-buildbucket.appspot.com"
+    bucket: "luci.chromium.ci"
+    builder: "Mac Release (Intel)"
+  }
+}
+
+job {
+  id: "Mac Retina Release (AMD)"
+  # Triggered by "GPU Mac Builder".
+  acl_sets: "triggered-by-parent-builders"
+  buildbucket: {
+    server: "cr-buildbucket.appspot.com"
+    bucket: "luci.chromium.ci"
+    builder: "Mac Retina Release (AMD)"
+  }
+}
+
 job {
   id: "Optional Mac Release (Intel)"
   # Triggered by "GPU FYI Mac Builder".