zero: shims: add missing string.h include
zero: shims: add missing string.h include

Change-Id: I979bb26032ed901c109c2bc785d686b7dd68a7da

TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common