Add ion helper library

This library contains helper functions for using ion

Change-Id: I7d7f76d6d3f36cd94d67797a38099a94214392b1
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
diff --git a/libion/Android.mk b/libion/Android.mk
new file mode 100644
index 0000000..6abac3c
--- /dev/null
+++ b/libion/Android.mk
@@ -0,0 +1,15 @@
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := ion.c
+LOCAL_MODULE := libion
+LOCAL_MODULE_TAGS := optional
+LOCAL_SHARED_LIBRARIES := liblog
+include $(BUILD_HEAPTRACKED_SHARED_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := ion.c ion_test.c
+LOCAL_MODULE := iontest
+LOCAL_MODULE_TAGS := optional tests
+LOCAL_SHARED_LIBRARIES := liblog
+include $(BUILD_HEAPTRACKED_EXECUTABLE)