Remove (at least temporarily) the --minilayout argument for checking out ChromeOS, so the nightly infrastructure tests can build.

BUG=None
TEST=None

Change-Id: I7a6c68142e0c9af106a047986a95a545ece6a094
Reviewed-on: https://chrome-internal-review.googlesource.com/145917
Reviewed-by: Yunlian Jiang <yunlian@google.com>
Commit-Queue: Caroline Tice <cmtice@google.com>
Tested-by: Caroline Tice <cmtice@google.com>
diff --git a/test_toolchains.py b/test_toolchains.py
index 702af56..9a07635 100644
--- a/test_toolchains.py
+++ b/test_toolchains.py
@@ -77,15 +77,18 @@
   def _CheckoutChromeOS(self):
     # TODO(asharif): Setup a fixed ChromeOS version (quarterly snapshot).
     if not os.path.exists(self._chromeos_root):
+      #setup_chromeos_args = [setup_chromeos.__file__,
+      #                       "--dir=%s" % self._chromeos_root,
+      #                       "--minilayout"]
       setup_chromeos_args = [setup_chromeos.__file__,
-                             "--dir=%s" % self._chromeos_root,
-                             "--minilayout"]
+                             "--dir=%s" % self._chromeos_root]
       if self._public:
         setup_chromeos_args.append("--public")
       ret = setup_chromeos.Main(setup_chromeos_args)
       if ret:
         raise Exception("Couldn't run setup_chromeos!")
 
+
   def _BuildToolchain(self, config):
     self._UnInstallToolchain()
     self._SetupBoard({"USE": "git_gcc",