APM: adding a missing header when dumping files in APM

Change-Id: Ife8d45179354a1dd7525175e11a6016af2777910
Bug: webrtc:10255
Reviewed-on: https://webrtc-review.googlesource.com/c/120345
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Jesus de Vicente Pena <devicentepena@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26444}
diff --git a/modules/audio_processing/logging/apm_data_dumper.h b/modules/audio_processing/logging/apm_data_dumper.h
index 001fbf7..92adf86 100644
--- a/modules/audio_processing/logging/apm_data_dumper.h
+++ b/modules/audio_processing/logging/apm_data_dumper.h
@@ -17,6 +17,7 @@
 
 #include <string>
 #if WEBRTC_APM_DEBUG_DUMP == 1
+#include <memory>
 #include <unordered_map>
 #endif