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.h b/wifi/1.0/default/wifi_ap_iface.h
index 458bdda..ee5dc56 100644
--- a/wifi/1.0/default/wifi_ap_iface.h
+++ b/wifi/1.0/default/wifi_ap_iface.h
@@ -34,7 +34,7 @@
 class WifiApIface : public IWifiApIface {
  public:
   WifiApIface(const std::string& ifname,
-              const std::weak_ptr<WifiLegacyHal> legacy_hal);
+              const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
   // Refer to |WifiChip::invalidate()|.
   void invalidate();
   bool isValid();
@@ -49,7 +49,7 @@
   std::pair<WifiStatus, IfaceType> getTypeInternal();
 
   std::string ifname_;
-  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
   bool is_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiApIface);