Add missing <functional> include am: 5b5fe9ef2d am: 0eafc4a437 am: 0a7b5b103f am: 5938e62dbf am: 05e31a2651

Original change: https://android-review.googlesource.com/c/platform/external/libldac/+/2759541

Change-Id: Ic1454a5e864a63c43f909ab81c4a2867a2ca72e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/fuzzer/libldac_encode_fuzzer.cc b/fuzzer/libldac_encode_fuzzer.cc
index 501d177..712f8e4 100644
--- a/fuzzer/libldac_encode_fuzzer.cc
+++ b/fuzzer/libldac_encode_fuzzer.cc
@@ -6,6 +6,7 @@
 #include <stddef.h>
 #include "ldacBT.h"
 
+#include <functional>
 #include <fuzzer/FuzzedDataProvider.h>
 #include <vector>