angler: update prebuilt kernel

b018289 Fix the bug that Unknown battery health 'Warm' is printed in kernel.
9dd0a19 spi-contexthub: make AP-to-sensor hub signal low-asserted

Linux version 3.10.73-gb018289 (android-build@wpds7.hot.corp.google.com)
(gcc version 4.9.x-google 20140827 (prerelease) (GCC) ) #1 SMP PREEMPT
Wed Jun 3 22:06:50 UTC 2015

Change-Id: I67900ebc938f085c956610de130e8b11403864a6
Signed-off-by: Trevor Bunker <trevorbunker@google.com>