Use NDK to build liblua
am: 0c69dfe33c

Change-Id: I00c612eef4aa80d626a3efb94367a6a3d67bfca7
diff --git a/Android.bp b/Android.bp
index b9a4edf..bec26e1 100644
--- a/Android.bp
+++ b/Android.bp
@@ -15,6 +15,7 @@
 
 cc_library_static {
     name: "liblua",
+    sdk_version: "current",
     cflags: [
         "-Werror",
         "-Wall",