infra/config: fix builders configs to use Goma RBE.

Bug: 1129409
Change-Id: I5f1c14ff6f3f15f3fe29d59296171edf67897fc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2416837
Commit-Queue: Yoshisato Yanagisawa <yyanagisawa@chromium.org>
Reviewed-by: Fumitoshi Ukai <ukai@google.com>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Auto-Submit: Yoshisato Yanagisawa <yyanagisawa@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808228}

infra/config/generated/cr-buildbucket.cfg

@@ -11295,7 +11295,7 @@ buckets {
         cipd_version: "refs/heads/master"
         cmd: "recipes"
       }
-      properties: "{\"$build/goma\":{\"use_luci_auth\":true},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"$recipe_engine/isolated\":{\"server\":\"https://isolateserver.appspot.com\"},\"builder_group\":\"chromium.fyi\",\"recipe\":\"chromium\"}"
+      properties: "{\"$build/goma\":{\"enable_ats\":true,\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\",\"use_luci_auth\":true},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"$recipe_engine/isolated\":{\"server\":\"https://isolateserver.appspot.com\"},\"builder_group\":\"chromium.fyi\",\"recipe\":\"chromium\"}"
       execution_timeout_secs: 36000
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
@@ -11576,7 +11576,7 @@ buckets {
         cipd_version: "refs/heads/master"
         cmd: "recipes"
       }
-      properties: "{\"$build/goma\":{\"use_luci_auth\":true},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"$recipe_engine/isolated\":{\"server\":\"https://isolateserver.appspot.com\"},\"builder_group\":\"chromium.fyi\",\"recipe\":\"chromium\"}"
+      properties: "{\"$build/goma\":{\"enable_ats\":true,\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\",\"use_luci_auth\":true},\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"$recipe_engine/isolated\":{\"server\":\"https://isolateserver.appspot.com\"},\"builder_group\":\"chromium.fyi\",\"recipe\":\"chromium\"}"
       execution_timeout_secs: 36000
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"

infra/config/lib/ci.star

@@ -113,6 +113,7 @@ def set_defaults(milestone_vars, **kwargs):
         swarming_tags = ["vpython:native-python-wrapper"],
         triggered_by = [milestone_vars.ci_poller],
         goma_use_luci_auth = True,
+        # TODO(crbug.com/1129723): set default goma_backend here.
     )
     default_values.update(kwargs)
     for k, v in default_values.items():

infra/config/subprojects/chromium/ci.star

@@ -2526,7 +2526,7 @@ ci.fyi_builder(
         category = "linux",
     ),
     experimental = True,
-    goma_backend = None,
+    goma_backend = goma.backend.RBE_PROD,
 )
 
 # This is launching & collecting entirely isolated tests.
@@ -2537,7 +2537,7 @@ ci.fyi_builder(
         category = "mac",
         short_name = "beta",
     ),
-    goma_backend = None,
+    goma_backend = goma.backend.RBE_PROD,
     main_console_view = None,
     triggered_by = ["ci/Mac Builder"],
 )