bullhead: update prebuilt kernel

9666f74 msm: mdss: properly clean up pipe in case of failure during reuse
7d426ca qcacld-2.0: Fix crash due to unregistered callback

Linux version 3.10.73-g9666f74 (android-build@kpfi2.cbf.corp.google.com)
(gcc version 4.9.x-google 20140827 (prerelease) (GCC) ) #1 SMP PREEMPT Tue Oct 6 05:14:45 UTC 2015

Bug: 24433497
Bug: 24668874
Change-Id: I31a1a01748af68adcea8c38ba7199cdc414c9246
Signed-off-by: Vineeta Srivastava <vsrivastava@google.com>
diff --git a/Image.gz-dtb b/Image.gz-dtb
index ff6c67f..e404cce 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ