Add a wifi hal interface to read-back the APF memory.

Test: builds, boots on marlin.
Change-Id: I860ee093b585bedd800830ea05516ad054a8dc3a
diff --git a/wifi/1.2/Android.bp b/wifi/1.2/Android.bp
index f41324e..c144f22 100644
--- a/wifi/1.2/Android.bp
+++ b/wifi/1.2/Android.bp
@@ -13,6 +13,7 @@
         "IWifiChipEventCallback.hal",
         "IWifiNanIface.hal",
         "IWifiNanIfaceEventCallback.hal",
+        "IWifiStaIface.hal",
     ],
     interfaces: [
         "android.hardware.wifi@1.0",