Revert "Remove non-NDK headers from the NDK."

This reverts commit 36bb3e8516f7259e98d974d1d66be565b84bca92.

Reason for revert: build breakage
Bug: 219856294

Change-Id: If05c21c01d11b57a084c29e4663878fd4784badf
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index 9eb49cf..77493b3 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -175,6 +175,17 @@
     license: "NOTICE",
 }
 
+// TODO(b/160624671): package with the aidl compiler
+ndk_headers {
+    name: "libbinder_ndk_helper_headers",
+    from: "include_cpp/android",
+    to: "android",
+    srcs: [
+        "include_cpp/android/*.h",
+    ],
+    license: "NOTICE",
+}
+
 ndk_library {
     name: "libbinder_ndk",
     symbol_file: "libbinder_ndk.map.txt",