[pgo] linux pgo beta/stable trybots available in src and mb config

mb configs for the beta/stable trybots, and make them available
through the chrome_internal_verifier.

Bug: 1105530
Change-Id: I176854111a9a9f8ae5efd432222246a51ae30baa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2365094Reviewed-by: Garrett Beaty <gbeaty@chromium.org>
Commit-Queue: Jeff Yoon <jeffyoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799922}

infra/config/generated/commit-queue.cfg

@@ -77,6 +77,18 @@ config_groups {
         owner_whitelist_group: "googlers"
         owner_whitelist_group: "project-chromium-robot-committers"
       }
+      builders {
+        name: "chrome/try/linux-chrome-beta"
+        includable_only: true
+        owner_whitelist_group: "googlers"
+        owner_whitelist_group: "project-chromium-robot-committers"
+      }
+      builders {
+        name: "chrome/try/linux-chrome-stable"
+        includable_only: true
+        owner_whitelist_group: "googlers"
+        owner_whitelist_group: "project-chromium-robot-committers"
+      }
       builders {
         name: "chrome/try/linux-chromeos-chrome"
         includable_only: true

infra/config/subprojects/chromium/try.star

@@ -672,6 +672,14 @@ def chrome_internal_verifier(
         ],
     )
 
+chrome_internal_verifier(
+    builder = "linux-chrome-beta",
+)
+
+chrome_internal_verifier(
+    builder = "linux-chrome-stable",
+)
+
 chrome_internal_verifier(
     builder = "mac-chrome-beta",
 )

tools/mb/mb_config.pyl

@@ -23,6 +23,8 @@
       # Don't include unwind tables for the remaining three builders since
       # they monitor binary size growth, which may be affected by the tables.
       'linux-chrome': 'official_goma',
+      'linux-chrome-beta': 'official_goma',
+      'linux-chrome-stable': 'official_goma',
       'linux-chromeos-chrome': 'official_goma_chromeos',
       'mac-chrome': 'official_goma',
       'mac-chrome-beta': 'official_goma',