Switch hostapd VTS tests to NDK backend.

Bug: 204889679
Test: Make and run VtsHalHostapdTargetTest
      m vts -j
      vts-tradefed run commandAndExit vts \
          --module VtsHalHostapdTargetTest
Change-Id: I0fe97b18b83098df6c70a5057576704c4b1f7383
diff --git a/wifi/hostapd/aidl/vts/functional/Android.bp b/wifi/hostapd/aidl/vts/functional/Android.bp
index d37da08..e58cf5e 100644
--- a/wifi/hostapd/aidl/vts/functional/Android.bp
+++ b/wifi/hostapd/aidl/vts/functional/Android.bp
@@ -16,9 +16,10 @@
     srcs: ["VtsHalHostapdTargetTest.cpp"],
     shared_libs: [
         "libbinder",
+        "libbinder_ndk",
     ],
     static_libs: [
-        "android.hardware.wifi.hostapd-V1-cpp",
+        "android.hardware.wifi.hostapd-V1-ndk",
     ],
     test_suites: [
         "general-tests",