Stop using versioner for the llndk too.

I'm not sure why this was added in the first place. The only reason we
had versioner was to work around GCC in the NDK, which the platform
already didn't have.

Bug: None
Test: treehugger
Change-Id: Ie48d8b73939018d1dd6bd6baf1b5740cfb4e621f
diff --git a/libc/Android.bp b/libc/Android.bp
index d450f41..505b285 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1686,8 +1686,7 @@
     llndk: {
         symbol_file: "libc.map.txt",
         export_headers_as_system: true,
-        export_preprocessed_headers: ["include"],
-        export_llndk_headers: ["libc_uapi_headers"],
+        export_llndk_headers: ["libc_headers"],
     },
 }