jni: Add all dependencies and their compilation scripts

Compilation has been verified for all target platforms using a slightly
modified version of CrystaX NDK 10.1.0 (the issue has been resolved with
not yet release 10.2.0)

Change-Id: I99f6c270ae8732adfa402d75ba04f42b179a1a9b
diff --git a/app/src/main/jni/Android.mk b/app/src/main/jni/Android.mk
index 67d22e0..925d790 100644
--- a/app/src/main/jni/Android.mk
+++ b/app/src/main/jni/Android.mk
@@ -1,8 +1,11 @@
 LOCAL_PATH := $(call my-dir)
+LOCAL_PATH_SAVED := $(LOCAL_PATH)
 
 include $(CLEAR_VARS)
-LOCAL_MODULE := nfd-example
+LOCAL_MODULE := nfd-wrapper
 LOCAL_SRC_FILES := android-logger-streambuf.cpp wrappers-example.cpp
-# LOCAL_SHARED_LIBRARIES :=
 LOCAL_LDLIBS := -llog
 include $(BUILD_SHARED_LIBRARY)
+
+include $(LOCAL_PATH_SAVED)/ndn-cxx.mk
+include $(LOCAL_PATH_SAVED)/nfd.mk