mako: update prebuilt kernel

This kernel contains sync-related cherry-picks from common/android-3.4 to bring
the mako kernel in line with common/android-3.4, and also to enable the
Flatland benchmark.

a56efc1 sync: fix timeout = 0 wait behavior
7abff3f sync: don't log wait timeouts when timeout = 0
d674106 sync: Fix race condition between merge and signal
5e5345d base: sync: Include seq_file.h in sync.h
c9452c5 sync: add Documentation/sync.txt

Change-Id: Iee99173c596c7c36ba7db4bd6fffac7b367a7303
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/kernel b/kernel
index c7cf7b0..a87a059 100644
--- a/kernel
+++ b/kernel
Binary files differ