Give hostapd its own directory for control sockets

hostapd likes to create/remove this directory when it starts up.
This is especially true when hostapd encounters an error, and
tries to remove the control socket directory.

Bug: 30311493
Change-Id: Ifce67d54e510b39918a2141ececf569daf0e82af
Test: hostapd starts up/shuts down (even on error) without avc denials
1 file changed
tree: af443f0d5694cb1bf4db6ca84840c4bd48952980
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/