angler: update prebuilt kernel

55de7c0 angler: audio: modify headset's button[volume-] pressed scope
0855aff selinux: do not check open perm on ftruncate call

Bug: 25721731
Bug: 22567870

Linux version 3.10.73-g55de7c0 (android-build@vpbs6.mtv.corp.google.com)
(gcc version 4.9.x-google 20140827 (prerelease) (GCC) ) #1 SMP PREEMPT
Wed Dec 16 22:53:44 UTC 2015

Change-Id: I66bfd509e4c753246a32951929905bfa621323c9
Signed-off-by: Ed Tam <etam@google.com>
diff --git a/Image.gz-dtb b/Image.gz-dtb
index 71d2cdc..c3fc38c 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ