Update makefiles.

Test: pass
Change-Id: I5cf42c8ff1e11207394e4852ba0bd03e4e3b7d2e
diff --git a/wifi/supplicant/1.0/Android.bp b/wifi/supplicant/1.0/Android.bp
index a0adb8d..d6cb071 100644
--- a/wifi/supplicant/1.0/Android.bp
+++ b/wifi/supplicant/1.0/Android.bp
@@ -121,6 +121,7 @@
     generated_sources: ["android.hardware.wifi.supplicant@1.0_genc++"],
     generated_headers: ["android.hardware.wifi.supplicant@1.0_genc++_headers"],
     export_generated_headers: ["android.hardware.wifi.supplicant@1.0_genc++_headers"],
+    vendor_available: true,
     shared_libs: [
         "libhidlbase",
         "libhidltransport",