marlin: update prebuilt kernel

4ce6c9a6201f binder: serialize threads of each process
1c72e14f230e Reenable CONFIG_CC_OPTMIZE_FOR_SIZE for KASan builds

Linux version 3.18.31-g4ce6c9a (android-build@vpef11.mtv.corp.google.com)
(gcc version 4.9.x 20150123 (prerelease) (GCC) )
 #1 SMP PREEMPT Thu Jan 26 19:54:46 UTC 2017 (master)

Bug: 34243666
Bug: 34722727
Test: booted on sailfish
Change-Id: I6d000fedd1dfbd111dcca21ed6e61dacd89cc0fb
Source-Branch: android-msm-marlin-3.18
Signed-off-by: Todd Kjos <tkjos@google.com>
diff --git a/Image.gz-dtb b/Image.gz-dtb
index be0cc2a..0f7f914 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ
diff --git a/Image.gz-dtb.kasan b/Image.gz-dtb.kasan
index 54e7ee0..2ba4d58 100644
--- a/Image.gz-dtb.kasan
+++ b/Image.gz-dtb.kasan
Binary files differ