Disable NEON procs for box blur as it produces invalid results

src/opts/SkBlurImage_opts_arm.cpp

Index: src/opts/SkBlurImage_opts_arm.cpp
diff --git a/src/opts/SkBlurImage_opts_arm.cpp b/src/opts/SkBlurImage_opts_arm.cpp
index 7462e6fb7daab6c18363ed1f0fa65a70e62195e7..fb6103482ccfdcd2e46579e3c7c4020539b65098 100644
--- a/src/opts/SkBlurImage_opts_arm.cpp
+++ b/src/opts/SkBlurImage_opts_arm.cpp
@@ -12,10 +12,11 @@ bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
                                SkBoxBlurProc* boxBlurY,
                                SkBoxBlurProc* boxBlurXY,
                                SkBoxBlurProc* boxBlurYX) {
+    // Temporary workaround for http://skbug.com/2845
+    return false;
+
 #if SK_ARM_NEON_IS_NONE
     return false;
-#elif defined(SK_CPU_ARM64)  // Temporary fix for
-    return false;            // http://skbug.com/2845
 #else
 #if SK_ARM_NEON_IS_DYNAMIC
     if (!sk_cpu_arm_has_neon()) {