Update default C++ standard to C++14

(3RDPARTY_UPDATE)

Resolves: COMPMID-3849

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I6369f112337310140e2d6c8e79630cd11138dfa0
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4544
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validate_examples/RunExample.cpp b/tests/validate_examples/RunExample.cpp
index aca4ddc..736d481 100644
--- a/tests/validate_examples/RunExample.cpp
+++ b/tests/validate_examples/RunExample.cpp
@@ -27,8 +27,8 @@
 #include "utils/Utils.cpp"
 
 #include "ValidateExample.h"
-#include "arm_compute/runtime/Scheduler.h"
 #include "arm_compute/runtime/CL/CLHelpers.h"
+#include "arm_compute/runtime/Scheduler.h"
 #include "tests/AssetsLibrary.h"
 #include "tests/Globals.h"
 #include "tests/framework/Framework.h"
@@ -139,8 +139,8 @@
         g_example_argv.emplace_back(const_cast<char *>(arg.c_str())); // NOLINT
     }
 
-    library       = support::cpp14::make_unique<AssetsLibrary>("." /* Only using random values */, seed->value());
-    fixed_library = support::cpp14::make_unique<AssetsLibrary>(".", fixed_seed);
+    library       = std::make_unique<AssetsLibrary>("." /* Only using random values */, seed->value());
+    fixed_library = std::make_unique<AssetsLibrary>(".", fixed_seed);
 
     if(options.log_level->value() > framework::LogLevel::NONE)
     {