Use src-side launcher for telemetry_unittests in chromium_trybot recipe

scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json

Index: scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json
diff --git a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json
index a52808f1cb5f46a1998152b5636dc520186b7802..d59f9b82275f5c1663555fe73ad16a5ea0da1742 100644
--- a/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json
+++ b/scripts/slave/recipes/chromium_trybot.expected/full_tryserver_chromium_mac_mac_chromium_rel.json
@@ -127,6 +127,27 @@
     "cmd": [
       "python",
       "-u",
+      "[SLAVE_BUILD]/src/testing/scripts/get_compile_targets.py",
+      "--output",
+      "/path/to/tmp/json",
+      "--",
+      "--build-config-fs",
+      "Release",
+      "--paths",
+      "{\"build\": \"[BUILD]\"}",
+      "--properties",
+      "{\"buildername\": \"mac_chromium_rel\", \"buildnumber\": 571, \"slavename\": \"TestSlavename\"}"
+    ],
+    "name": "get compile targets for scripts",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@json.output@{}@@@",
+      "@@@STEP_LOG_END@json.output@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
@@ -164,6 +185,12 @@
       "python",
       "-u",
       "[SLAVE_BUILD]/src/testing/scripts/checkdeps.py",
+      "--build-config-fs",
+      "Release",
+      "--paths",
+      "{\"build\": \"[BUILD]\"}",
+      "--properties",
+      "{\"buildername\": \"mac_chromium_rel\", \"buildnumber\": 571, \"slavename\": \"TestSlavename\"}",
       "run",
       "--output",
       "/path/to/tmp/json"
@@ -178,30 +205,28 @@
     ]
   },
   {
-    "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
-      "[BUILD]/scripts/slave/runtest.py",
-      "--target",
+      "[SLAVE_BUILD]/src/testing/scripts/telemetry_unittests.py",
+      "--build-config-fs",
       "Release",
-      "--factory-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"mac_chromium_rel\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.mac\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"root\": \"src\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
-      "--build-properties",
-      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"branch\": \"\", \"build_config\": \"Release\", \"buildername\": \"mac_chromium_rel\", \"buildnumber\": 571, \"issue\": 12853011, \"mastername\": \"tryserver.chromium.mac\", \"patchset\": 1, \"project\": \"chrome\", \"recipe\": \"chromium_trybot\", \"repository\": \"\", \"requester\": \"commit-bot@chromium.org\", \"revision\": null, \"rietveld\": \"https://codereview.chromium.org\", \"root\": \"src\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
-      "--annotate=gtest",
-      "--test-type=telemetry_unittests",
-      "--builder-name=mac_chromium_rel",
-      "--slave-name=TestSlavename",
-      "--build-number=571",
-      "--run-python-script",
-      "[SLAVE_BUILD]/src/tools/telemetry/run_tests",
-      "--browser=release",
-      "--retry-limit=3",
-      "--write-full-results-to",
+      "--paths",
+      "{\"build\": \"[BUILD]\"}",
+      "--properties",
+      "{\"buildername\": \"mac_chromium_rel\", \"buildnumber\": 571, \"slavename\": \"TestSlavename\"}",
+      "run",
+      "--output",
       "/path/to/tmp/json"
     ],
-    "name": "telemetry_unittests (with patch)"
+    "name": "telemetry_unittests (with patch)",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@json.output@{@@@",
+      "@@@STEP_LOG_LINE@json.output@  \"failures\": [], @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"valid\": true@@@",
+      "@@@STEP_LOG_LINE@json.output@}@@@",
+      "@@@STEP_LOG_END@json.output@@@"
+    ]
   },
   {
     "allow_subannotations": true,