Bug 1258525 - Fix mach try chunk selection for selecting a directory of devtools. r=ahal

MozReview-Commit-ID: IpYFWlbnACH

--HG--
extra : rebase_source : 05b5fed8250d819024c8cfbc68e66940999c967b

testing/tools/autotry/autotry.py

@@ -153,8 +153,8 @@ class AutoTry(object):
         'chrome': ['mochitest-o'],
         'browser-chrome': ['mochitest-browser-chrome-1',
                            'mochitest-e10s-browser-chrome-1'],
-        'devtools-chrome': ['mochitest-dt',
-                            'mochitest-e10s-devtools-chrome'],
+        'devtools-chrome': ['mochitest-devtools-chrome-1',
+                            'mochitest-e10s-devtools-chrome-1'],
         'crashtest': ['crashtest', 'crashtest-e10s'],
         'reftest': ['reftest', 'reftest-e10s'],
         'web-platform-tests': ['web-platform-tests-1'],