libbinder: -= unimplemented readRequestHeaders.

This symbol isn't defined.

Bug: N/A
Test: N/A
Change-Id: Ia43d6dae61a0cac314a0ec012d44cb97b0bd0135
diff --git a/libs/binder/include/binder/Parcel.h b/libs/binder/include/binder/Parcel.h
index f5aafc7..f2431d7 100644
--- a/libs/binder/include/binder/Parcel.h
+++ b/libs/binder/include/binder/Parcel.h
@@ -382,7 +382,6 @@
     // Returns the work source provided by the caller. This can only be trusted for trusted calling
     // uid.
     uid_t               readCallingWorkSourceUid() const;
-    void                readRequestHeaders() const;
 
 private:
     typedef void        (*release_func)(Parcel* parcel,