Do not check the returned value in the
VTS test for IWifiChip#getFeatureSet.

Some implementations of the legacy HAL,
such as Goldfish, do not have any
supported features.

Bug: 273886122
Test: atest VtsHalWifiChipTargetTest
       (tested on Cuttlefish)
Change-Id: I3ca22187cab0e77d36a28908e57ff4970535e4ae
diff --git a/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp b/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
index ca88d8e..bbd27f9 100644
--- a/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
+++ b/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
@@ -189,8 +189,8 @@
  */
 TEST_P(WifiChipAidlTest, GetFeatureSet) {
     configureChipForConcurrencyType(IfaceConcurrencyType::STA);
-    int32_t features = getChipFeatureSet(wifi_chip_);
-    EXPECT_NE(features, 0);
+    int32_t features;
+    EXPECT_TRUE(wifi_chip_->getFeatureSet(&features).isOk());
 }
 
 /*