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_rtt_controller.h b/wifi/1.0/default/wifi_rtt_controller.h
index 5ebd4bc..3dd5340 100644
--- a/wifi/1.0/default/wifi_rtt_controller.h
+++ b/wifi/1.0/default/wifi_rtt_controller.h
@@ -36,7 +36,7 @@
 class WifiRttController : public IWifiRttController {
  public:
   WifiRttController(const sp<IWifiIface>& bound_iface,
-                    const std::weak_ptr<WifiLegacyHal> legacy_hal);
+                    const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
   // Refer to |WifiChip::invalidate()|.
   void invalidate();
   bool isValid();
@@ -103,7 +103,7 @@
   WifiStatus disableResponderInternal(uint32_t cmd_id);
 
   sp<IWifiIface> bound_iface_;
-  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
   std::vector<sp<IWifiRttControllerEventCallback>> event_callbacks_;
   bool is_valid_;