Allow qemu_props to set net_share_prop properties am: 3a99469f38 am: a589ca1eba am: 98581bbd2a

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish/+/10598205

Change-Id: I4125f2a46c4479ddfcd40939a12438ba087c3308