Bug 1038943: Bustage followup to fix Android on a CLOSED TREE. r=me

build/automationutils.py

@@ -476,7 +476,7 @@ def environment(xrePath, env=None, crashreporter=True, debugger=False, dmdPath=N
   envVar = None
   dmdLibrary = None
   preloadEnvVar = None
-  if mozinfo.info['toolkit'] == "gonk":
+  if 'toolkit' in mozinfo.info and mozinfo.info['toolkit'] == "gonk":
     # Skip all of this, it's only valid for the host.
     pass
   elif mozinfo.isUnix: