Look for hwservicemanager in it's old location as well

Mainline modules take the newer version of libhidl and use it on older
devices that will still have hwservicemanager in /system/bin/ instead of
/system_ext/bin so we still need to look there.

Test: m
Test: rerun testcase from bug including this CL
Bug: 298669409
Change-Id: I52f0e8b3dd63a0fff9c265bc9f229ab63a66ffde
1 file changed