add /system/vendor/lib as valid search path for sensor HALs

MultiHal will now accept sensor HALs listed in the hals.conf file that
reside in either /system/lib/hw or /system/vendor/lib.

Bug: 14994424
Change-Id: I13f17352b97c36b97cfbcee8c9b6a0d2e1ed6dc3
1 file changed