DevTools: Add devtools for tryserver.chromium.linux

scripts/slave/recipes/devtools.expected/devtools_tryserver_no_devtools.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
-      "chromium.fyi",
+      "tryserver.chromium.linux",
       "--builder",
-      "Chromium DevTools Linux",
+      "chromium_devtools",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/chromium/src.git'}]",
       "--root",
       "src",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\", \"src/buildtools\": \"got_buildtools_revision\", \"src/native_client\": \"got_nacl_revision\", \"src/third_party/angle\": \"got_angle_revision\", \"src/third_party/webrtc\": \"got_webrtc_revision\", \"src/tools/swarming_client\": \"got_swarming_client_revision\", \"src/v8\": \"got_v8_revision\"}",
       "--git-cache-dir",
       "[GIT_CACHE]",
       "--issue",
+      "12853011",
+      "--patchset",
       "1",
-      "--patchset",
-      "2",
       "--rietveld_server",
-      "https://rietveld.example.com",
+      "https://codereview.chromium.org",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "src@HEAD",
       "--force",
       "--output_manifest"
     ],
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ skipping 94 matching lines @@
       "no devtools file in patch"
     ],
     "name": "skip checks"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]