Add capabilities for wifi_hal_legacy

Bug: 37105075
Bug: 37483427
Test: Fugu Wifi VendorHal initializes successfully
Change-Id: If30aa641e42a9a4be435db97f36af4d172eb8ebe
diff --git a/wifi/1.0/default/android.hardware.wifi@1.0-service.rc b/wifi/1.0/default/android.hardware.wifi@1.0-service.rc
index 696b1f9..3672423 100644
--- a/wifi/1.0/default/android.hardware.wifi@1.0-service.rc
+++ b/wifi/1.0/default/android.hardware.wifi@1.0-service.rc
@@ -2,3 +2,4 @@
     class hal
     user wifi
     group wifi gps
+    capabilities NET_ADMIN NET_RAW