Change test to test for Arm, since all CPUs except arm provide accurate yuv conversion

BUG=392
TESTED=try bots

Review URL: https://webrtc-codereview.appspot.com/34059004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1254 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1253
+Version: 1255
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1253
+#define LIBYUV_VERSION 1255
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/color_test.cc

@@ -21,23 +21,20 @@
 
 namespace libyuv {
 
-#if defined (_M_X64) || defined(_M_IX86) || \
-    defined(__x86_64__) || defined(__i386__))
-#define HIGH_ACCURACY 1
-#endif
-
-#ifdef HIGH_ACCURACY
-#define MAX_CDIFF 0
-#define ERROR_R 1
-#define ERROR_G 1
-#define ERROR_B 3
-#define ERROR_FULL 5
-#else
+// TODO(fbarchard): Port high accuracy YUV to RGB to Neon.
+#if !defined(LIBYUV_DISABLE_NEON) && \
+    (defined(__aarch64__) || defined(__ARM_NEON__) || defined(LIBYUV_NEON))
 #define MAX_CDIFF 2
 #define ERROR_R 3
 #define ERROR_G 3
 #define ERROR_B 5
 #define ERROR_FULL 7
+#else
+#define MAX_CDIFF 0
+#define ERROR_R 1
+#define ERROR_G 1
+#define ERROR_B 3
+#define ERROR_FULL 5
 #endif
 
 #define TESTCS(TESTNAME, YUVTOARGB, ARGBTOYUV, HS1, HS, HN, DIFF, CDIFF)       \