fugu: update prebuilt kernel

cf431b9 net: wireless: bcmdhd: check packet length for event messages

Bug: 25306181
Bug: 25668860

Linux version 3.10.20-gcf431b9 (android-build@wped21.hot.corp.google.com)
(gcc version 4.8 (GCC) ) #1 SMP PREEMPT Thu Dec 10 06:34:34 UTC 2015

Change-Id: I3b15a003c31ef17df10bc28e59d724a935ab8e7e
Signed-off-by: Patrick Tjin <pattjin@google.com>
diff --git a/bzImage b/bzImage
index f8efd52..2e8ed5d 100644
--- a/bzImage
+++ b/bzImage
Binary files differ