Add NFCDemo to sdk.atree

Change-Id: I2e0a330a31d6d3c0b8c70c38af60118461e7e403
diff --git a/build/sdk.atree b/build/sdk.atree
index 35d34dd..e8f2f05 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -157,6 +157,7 @@
 development/samples/JetBoy                   samples/${PLATFORM_NAME}/JetBoy
 development/samples/LunarLander              samples/${PLATFORM_NAME}/LunarLander
 development/samples/MultiResolution          samples/${PLATFORM_NAME}/MultiResolution
+development/samples/NFCDemo                  samples/${PLATFORM_NAME}/NFCDemo
 development/samples/NotePad                  samples/${PLATFORM_NAME}/NotePad
 development/samples/SampleSyncAdapter        samples/${PLATFORM_NAME}/SampleSyncAdapter
 development/samples/SearchableDictionary     samples/${PLATFORM_NAME}/SearchableDictionary