enable try/linux-chrome to be triggered from upstream

linux-chrome is used by PGO to ensure validity of the profile
being rolled and to warm up the goma cache. this trybot
is currently not triggerable (ie/ crrev/c/2403600).

Bug: 1105530
Change-Id: I9d8b8082d5817f9f7e7f97beae3faf0c2adf2088
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2403587
Auto-Submit: Jeff Yoon <jeffyoon@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805777}

infra/config/generated/commit-queue.cfg

@@ -77,6 +77,12 @@ config_groups {
         owner_whitelist_group: "googlers"
         owner_whitelist_group: "project-chromium-robot-committers"
       }
+      builders {
+        name: "chrome/try/linux-chrome"
+        includable_only: true
+        owner_whitelist_group: "googlers"
+        owner_whitelist_group: "project-chromium-robot-committers"
+      }
       builders {
         name: "chrome/try/linux-chrome-beta"
         includable_only: true

infra/config/subprojects/chromium/try.star

@@ -1576,6 +1576,10 @@ chrome_internal_verifier(
     builder = "iphone-device",
 )
 
+chrome_internal_verifier(
+    builder = "linux-chrome",
+)
+
 chrome_internal_verifier(
     builder = "linux-chrome-beta",
     branch_selector = branches.STANDARD_RELEASES,