Fix cuttlefish use of cutils private headers

The build system was accidentally providing system libcutils
headers to vendor modules instead of the vendor version.  Fix
cuttlefish to stop using the private system headers so it can
be given the correct vendor headers instead.

Bug: 63135587
Test: mmma device/google/cuttlefish_common
Change-Id: I6a0bc30ca92576f4f0ee807e1430652b36aa3bc7