Add dbus_unittests to chromeos_builder

BUG=91871
Review URL: http://codereview.chromium.org/7649008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96732 0039d316-1c4b-4281-b951-d872f2087c98

build/all.gyp

@@ -575,6 +575,7 @@
             '../chrome/chrome.gyp:unit_tests',
             '../content/content.gyp:content_unittests',
             '../crypto/crypto.gyp:crypto_unittests',
+            '../dbus/dbus.gyp:dbus_unittests',
             '../ui/ui.gyp:gfx_unittests',
             '../ipc/ipc.gyp:ipc_tests',
             '../jingle/jingle.gyp:jingle_unittests',