NNXSW-3081 Move Filesystem.hpp and Threads.hpp to public include

!android-nn-driver:5966

Change-Id: Ice0b4d2872bb0e09bfc0763034a206c3a8f24af4
Signed-off-by: Rob Hughes <robert.hughes@arm.com>
diff --git a/src/armnnUtils/Threads.cpp b/src/armnnUtils/Threads.cpp
index e5cf276..4cdea66 100644
--- a/src/armnnUtils/Threads.cpp
+++ b/src/armnnUtils/Threads.cpp
@@ -3,7 +3,7 @@
 // SPDX-License-Identifier: MIT
 //
 
-#include "Threads.hpp"
+#include <armnnUtils/Threads.hpp>
 
 #if defined(__linux__)
 #include <unistd.h>