wifi: Fix incorrect iface when handling interface init failure

The hostapd should report bridged AP iface failure to the frameworks
in bridged AP use case.

Bug: 200272186
Test: Manual Test, simulate interface init failure and check the result.
Change-Id: I32e88fd6beca0aeb81c89648c6a950b69e65cef7
diff --git a/hostapd/hidl/1.3/hostapd.cpp b/hostapd/hidl/1.3/hostapd.cpp
index 6add761..f9d2647 100644
--- a/hostapd/hidl/1.3/hostapd.cpp
+++ b/hostapd/hidl/1.3/hostapd.cpp
@@ -879,8 +879,8 @@
 			    // Invoke the failure callback on all registered
 			    // clients.
 			    for (const auto& callback : callbacks_) {
-				    callback->onFailure(
-					iface_hapd->conf->iface);
+				callback->onFailure(strlen(iface_hapd->conf->bridge) > 0 ?
+					iface_hapd->conf->bridge : iface_hapd->conf->iface);
 			    }
 		    }
 	    };