wifi: Move legacy hal types to a new namespace (2/2)

Changes in HIDL interface obejcts to use the new namespace for legacy
HAL.

Bug: 32242225
Test: Compiles
Change-Id: I7d0e9cee8656bd779a24d9eaede415317dceaf9b
diff --git a/wifi/1.0/default/wifi_ap_iface.cpp b/wifi/1.0/default/wifi_ap_iface.cpp
index 8c38946..b8b7a3a 100644
--- a/wifi/1.0/default/wifi_ap_iface.cpp
+++ b/wifi/1.0/default/wifi_ap_iface.cpp
@@ -27,8 +27,9 @@
 namespace implementation {
 using hidl_return_util::validateAndCall;
 
-WifiApIface::WifiApIface(const std::string& ifname,
-                         const std::weak_ptr<WifiLegacyHal> legacy_hal)
+WifiApIface::WifiApIface(
+    const std::string& ifname,
+    const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal)
     : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
 
 void WifiApIface::invalidate() {