Disable PageStateSerializationTest.BackwardsCompat_v11

BUG=254034

Review URL: https://codereview.chromium.org/17719002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@208528 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/pylib/gtest/filter/content_unittests_disabled

@@ -12,3 +12,5 @@ PepperGamepadHostTest.WaitForReply
 WebContentsVideoCaptureDeviceTest.*
 # crbug.com/167045
 ContentViewPopupZoomerTest.testPopupZoomerShowsUp
+# crbug.com/254034
+PageStateSerializationTest.BackwardsCompat_v11