Stop expecting chronos-owned speech dbus service

BUG=chromium-os:36744
TEST=security_DbusOwners autotest

Change-Id: I6295b567192e6e29e28f3d1aaf4ba90ee89b68b0
Reviewed-on: https://gerrit.chromium.org/gerrit/39331
Commit-Ready: Jim Hebert <jimhebert@chromium.org>
Tested-by: Jim Hebert <jimhebert@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
diff --git a/client/site_tests/security_DbusOwners/baseline b/client/site_tests/security_DbusOwners/baseline
index 1e25cf4..f49b25f 100644
--- a/client/site_tests/security_DbusOwners/baseline
+++ b/client/site_tests/security_DbusOwners/baseline
@@ -1,3 +1,2 @@
 org.chromium.LibCrosService
 org.chromium.PowerManager
-org.chromium.SpeechSynthesizer