build: Upgrade underlying NFD/ndn-cxx to 0.7.1

Change-Id: I4d12cc9e30be57c9a2fd3a33732fba3f6616a24a
diff --git a/app/src/main/jni/Android.mk b/app/src/main/jni/Android.mk
index c1c96d0..f54e466 100644
--- a/app/src/main/jni/Android.mk
+++ b/app/src/main/jni/Android.mk
@@ -10,8 +10,8 @@
 include $(BUILD_SHARED_LIBRARY)
 
 # Explicitly define versions of precompiled modules
-$(call import-module,../packages/nfd/0.7.0)
-$(call import-module,../packages/ndn_cxx/0.7.0)
+$(call import-module,../packages/nfd/0.7.1)
+$(call import-module,../packages/ndn_cxx/0.7.1)
 $(call import-module,../packages/boost/1.73.0)
 $(call import-module,../packages/sqlite/3.32.1)
 $(call import-module,../packages/openssl/1.1.1g)