bullhead: update prebuilt kernel

093a82c dwc3-msm: mask off VOLTAGE_NOW, VOLTAGE_MAX properties
5c4e286 dwc3-msm: propagate return value from get_prop_usbin_voltage_now

Linux version 3.10.73-g093a82c
(android-build@wpee14.hot.corp.google.com) (gcc version 4.9.x-google
20140827 (prerelease) (GCC) ) #1 SMP PREEMPT Fri Mar 11 02:45:19 UTC
2016

Bug: 27548541
Change-Id: I7aa8bc87baef9a51bc242b70c97f63a9985e222d
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>