remove LIBVINTF_HOST macro

There is a mixed use of LIBVINTF_HOST and LIBVINTF_TARGET,
and for libvintftest, LIBVINTF_HOST is not even defined
properly. Remove the use of LIBVINTF_HOST and replace with
LIBVINTF_TARGET instead.

Test: libvintf_test
Test: vintf_object_test

Change-Id: I557e65376dfd1d0fe953e9a7a03a47f227596460
4 files changed