Disable FullStackTest.ForemanCifPlr5 temporarily while investigating flakiness.

BUG=4326
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37359004

Cr-Commit-Position: refs/heads/master@{#8442}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8442 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/video/full_stack.cc b/webrtc/video/full_stack.cc
index 8ae798a..06bd023 100644
--- a/webrtc/video/full_stack.cc
+++ b/webrtc/video/full_stack.cc
@@ -592,7 +592,7 @@
   RunTest(foreman_cif);
 }
 
-TEST_F(FullStackTest, ForemanCifPlr5) {
+TEST_F(FullStackTest, DISABLED_ForemanCifPlr5) {
   FullStackTestParams foreman_cif = {"foreman_cif_delay_50_0_plr_5",
                                      {"foreman_cif", 352, 288, 30},
                                      false,