Define vintf fragment as a module

Define vintf fragment as a module, so it can be used from multiple
soong-defined modules.

Bug: 322089980
Test: aosp_cf_x86_64_phone build succeeded
Change-Id: I817efd443e49439e4134fca8bd3fd034bbbcc3cc
Merged-In: I817efd443e49439e4134fca8bd3fd034bbbcc3cc
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 509dbbc..8acdcd3 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1967,7 +1967,7 @@
 LOCAL_SHARED_LIBRARIES += libutils libbase
 LOCAL_SHARED_LIBRARIES += libbinder_ndk
 LOCAL_STATIC_LIBRARIES += libwpa_aidl
-LOCAL_VINTF_FRAGMENTS := aidl/android.hardware.wifi.supplicant.xml
+LOCAL_REQUIRED_MODULES += android.hardware.wifi.supplicant.xml
 ifeq ($(WIFI_HIDL_UNIFIED_SUPPLICANT_SERVICE_RC_ENTRY), true)
 LOCAL_INIT_RC=aidl/android.hardware.wifi.supplicant-service.rc
 endif