Disable network scan feature

Set TARGET_DISCARD_NETWORK_SCAN to true in order to pass CTS.

Issue: FP2P-306
Test: run cts -m CtsCarrierApiTestCases -t android.carrierapi.cts.NetworkScanApiTest#testRequestNetworkScan
Change-Id: If504c72c9c676feae910c9ab1d2c42de09e6bf96
Depends-On: I91bcaff543768e13d3e805d196fafac0afcab44b
diff --git a/device.mk b/device.mk
index 78f94ea..68ead8a 100644
--- a/device.mk
+++ b/device.mk
@@ -46,6 +46,9 @@
 # we don't have the calibration data so don't generate persist.img
 FP2_SKIP_PERSIST_IMG := true
 
+# disable network scan for lack of ril support
+TARGET_DISCARD_NETWORK_SCAN := true
+
 # This is needed for the 2016 June official Nexus 5 driver's glsub
 TARGET_USE_COMPAT_GRALLOC_PERFORM := true