Add support for cc_perftests and other non-telemetry gtest based tests.

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

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "tryserver.chromium.mac",
       "--builder",
       "mac_chromium_rel_ng",
@@ skipping 101 matching lines @@
       "-u",
       "[SLAVE_BUILD]/src/testing/scripts/get_compile_targets.py",
       "--output",
       "/path/to/tmp/json",
       "--",
       "--build-config-fs",
       "Release",
       "--paths",
       "{\"build\": \"[BUILD]\", \"checkout\": \"[SLAVE_BUILD]/src\"}",
       "--properties",
-      "{\"buildername\": \"mac_chromium_rel_ng\", \"buildnumber\": 571, \"slavename\": \"TestSlavename\"}"
+      "{\"buildername\": \"mac_chromium_rel_ng\", \"buildnumber\": 571, \"mastername\": \"tryserver.chromium.mac\", \"slavename\": \"TestSlavename\", \"target_platform\": \"mac\"}"
     ],
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
@@ skipping 3574 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  print 'Ignored failures:'@@@",
       "@@@STEP_LOG_LINE@python.inline@  for f in failures['ignored']:@@@",
       "@@@STEP_LOG_LINE@python.inline@    print f@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@sys.exit(0 if success else 1)@@@",
       "@@@STEP_LOG_END@python.inline@@@",
       "@@@STEP_WARNINGS@@@"
     ]
   }
 ]