Add a {linux,mac}-dawn-rel builders to be triggered from the Dawn CQ

These builder will run the dawn_end2end_tests on the GPU swarming
bots through the Chromium recipe.

BUG=chromium:901830

Change-Id: I2e462a872ff708d751cee9fd9c21c69761736690
Reviewed-on: https://chromium-review.googlesource.com/c/1341547
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609756}

infra/config/global/cr-buildbucket.cfg

@@ -347,6 +347,12 @@ builder_mixins {
   mixins: "angle-try"
 }
 
+builder_mixins {
+  name: "linux-dawn-try"
+  mixins: "linux"
+  mixins: "dawn-try"
+}
+
 builder_mixins {
   name: "linux-optional-gpu-try"
   mixins: "linux"
@@ -417,6 +423,12 @@ builder_mixins {
   dimensions: "cores:4"
 }
 
+builder_mixins {
+  name: "mac-dawn-try"
+  mixins: "mac"
+  mixins: "dawn-try"
+}
+
 builder_mixins {
   name: "mac-optional-gpu-try"
   mixins: "mac"
@@ -3111,6 +3123,7 @@ buckets {
       name: "linux_chromium_tsan_rel_ng"
     }
     builders { mixins: "linux-try" name: "linux_chromium_ubsan_rel_ng" }
+    builders { mixins: "linux-dawn-try" name: "linux-dawn-rel" }
     builders { mixins: "linux-try" name: "linux_layout_tests_layout_ng" }
     builders { mixins: "linux-try" name: "linux_layout_tests_slimming_paint_v2" }
     builders { mixins: "linux-try" name: "linux_mojo" }
@@ -3164,6 +3177,7 @@ buckets {
       mixins: "goma-j150"
       name: "mac_chromium_rel_ng"
     }
+    builders { mixins: "mac-dawn-try" name: "mac-dawn-rel" }
     builders {
       mixins: "mac-optional-gpu-try"
       name: "mac_optional_gpu_tests_rel"

infra/config/global/luci-scheduler.cfg

@@ -1273,6 +1273,22 @@ job {
   }
 }
 
+job {
+  id: "Dawn GPU Linux Release (Intel HD 630)"
+  # Triggered by "GPU FYI Linux Builder".
+  acl_sets: "triggered-by-parent-builders"
+  # This bot doesn't actually exist, so it's noop'ed out. crbug.com/819899
+  noop: {}
+}
+
+job {
+  id: "Dawn GPU Linux Release (NVIDIA)"
+  # Triggered by "GPU FYI Linux Builder".
+  acl_sets: "triggered-by-parent-builders"
+  # This bot doesn't actually exist, so it's noop'ed out. crbug.com/819899
+  noop: {}
+}
+
 job {
   id: "Deterministic Linux"
   acl_sets: "default"
@@ -1823,6 +1839,30 @@ job {
 # Mac Builders. Sorted alphabetically.
 ################################################################################
 
+job {
+  id: "Dawn GPU Mac Release (Intel)"
+  # Triggered by "GPU FYI Mac Builder".
+  acl_sets: "triggered-by-parent-builders"
+  # This bot doesn't actually exist, so it's noop'ed out. crbug.com/819899
+  noop: {}
+}
+
+job {
+  id: "Dawn GPU Mac Retina Release (NVIDIA)"
+  # Triggered by "GPU FYI Mac Builder".
+  acl_sets: "triggered-by-parent-builders"
+  # This bot doesn't actually exist, so it's noop'ed out. crbug.com/819899
+  noop: {}
+}
+
+job {
+  id: "Dawn GPU Mac Retina Release (AMD)"
+  # Triggered by "GPU FYI Mac Builder".
+  acl_sets: "triggered-by-parent-builders"
+  # This bot doesn't actually exist, so it's noop'ed out. crbug.com/819899
+  noop: {}
+}
+
 job {
   id: "GPU FYI Mac Builder"
   acl_sets: "default"