wifi: Don't include legacy hal header in wifi_status_util

This was missed from the cleanup when we moved the libhardware_legacy
header inside the legacy_hal:: namespace.

Bug: 33274910
Test: Compiles
Change-Id: I233f5478733427c739d30bf41f20f120a4c4199a
diff --git a/wifi/1.0/default/wifi.cpp b/wifi/1.0/default/wifi.cpp
index 3475c46..19f7e53 100644
--- a/wifi/1.0/default/wifi.cpp
+++ b/wifi/1.0/default/wifi.cpp
@@ -98,8 +98,8 @@
   }
 
   LOG(INFO) << "Starting HAL";
-  wifi_error legacy_status = legacy_hal_->start();
-  if (legacy_status != WIFI_SUCCESS) {
+  legacy_hal::wifi_error legacy_status = legacy_hal_->start();
+  if (legacy_status != legacy_hal::WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to start Wifi HAL: "
                << legacyErrorToString(legacy_status);
     return createWifiStatusFromLegacyError(legacy_status,
@@ -139,8 +139,9 @@
       };
     }
   };
-  wifi_error legacy_status = legacy_hal_->stop(on_complete_callback_);
-  if (legacy_status != WIFI_SUCCESS) {
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_->stop(on_complete_callback_);
+  if (legacy_status != legacy_hal::WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to stop Wifi HAL: "
                << legacyErrorToString(legacy_status);
     WifiStatus wifi_status =