resolve merge conflicts of 042fb93 to nyc-mr1-dev-plus-aosp

Change-Id: I737f8eb2535334f57f13b396ea2e267a126352c9
diff --git a/Android.bp b/Android.bp
index 42dae7c..8f6dd47 100644
--- a/Android.bp
+++ b/Android.bp
@@ -35,6 +35,9 @@
     defaults: ["curl_common_defaults"],
     export_include_dirs: ["include"],
     host_supported: true,
+    cflags: [
+        "-DBUILDING_LIBCURL",
+    ],
     srcs:[
         "lib/file.c",
         "lib/timeval.c",