COMPMID-634: Enable clang with libc++ to compile for Android (32 and 64 bits)

Change-Id: I693f64e70cd478e93675a8b04360128ded3b60d4
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93015
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/NEON/ArithmeticSubtraction.cpp b/tests/validation/NEON/ArithmeticSubtraction.cpp
index 3d184f1..dcaf9d9 100644
--- a/tests/validation/NEON/ArithmeticSubtraction.cpp
+++ b/tests/validation/NEON/ArithmeticSubtraction.cpp
@@ -53,10 +53,10 @@
                                                      framework::dataset::make("DataType", DataType::QS8));
 const auto ArithmeticSubtractionQS16Dataset = combine(combine(framework::dataset::make("DataType", DataType::QS16), framework::dataset::make("DataType", DataType::QS16)),
                                                       framework::dataset::make("DataType", DataType::QS16));
-#ifdef ARM_COMPUTE_ENABLE_FP16
+#ifdef ARM_COMPUTE_AARCH64_V8_2
 const auto ArithmeticSubtractionFP16Dataset = combine(combine(framework::dataset::make("DataType", DataType::F16), framework::dataset::make("DataType", DataType::F16)),
                                                       framework::dataset::make("DataType", DataType::F16));
-#endif /* ARM_COMPUTE_ENABLE_FP16 */
+#endif /* ARM_COMPUTE_AARCH64_V8_2 */
 const auto ArithmeticSubtractionFP32Dataset = combine(combine(framework::dataset::make("DataType", DataType::F32), framework::dataset::make("DataType", DataType::F32)),
                                                       framework::dataset::make("DataType", DataType::F32));
 } // namespace
@@ -182,7 +182,7 @@
 TEST_SUITE_END()
 
 TEST_SUITE(Float)
-#ifdef ARM_COMPUTE_ENABLE_FP16
+#ifdef ARM_COMPUTE_AARCH64_V8_2
 TEST_SUITE(FP16)
 FIXTURE_DATA_TEST_CASE(RunSmall, NEArithmeticSubtractionFixture<half>, framework::DatasetMode::ALL, combine(combine(datasets::SmallShapes(), ArithmeticSubtractionFP16Dataset),
                                                                                                             framework::dataset::make("ConvertPolicy", { ConvertPolicy::SATURATE, ConvertPolicy::WRAP })))
@@ -191,7 +191,7 @@
     validate(Accessor(_target), _reference);
 }
 TEST_SUITE_END()
-#endif /* ARM_COMPUTE_ENABLE_FP16 */
+#endif /* ARM_COMPUTE_AARCH64_V8_2 */
 
 TEST_SUITE(FP32)
 DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(framework::dataset::concat(datasets::SmallShapes(), datasets::LargeShapes()), framework::dataset::make("ConvertPolicy", { ConvertPolicy::SATURATE, ConvertPolicy::WRAP })),