CDRIVER-1434 show set_error_api in examples

# Conflicts:
#	examples/aggregation/aggregation1.c
#	examples/bulk/bulk1.c
#	examples/bulk/bulk2.c
#	examples/bulk/bulk3.c
#	examples/bulk/bulk4.c
#	examples/bulk/bulk5.c
#	examples/bulk/bulk6.c
#	examples/find-and-modify.c
#	examples/find_and_modify_with_opts/fam.c