Revert of De-proc Color32

src/opts/opts_check_x86.cpp

Index: src/opts/opts_check_x86.cpp
diff --git a/src/opts/opts_check_x86.cpp b/src/opts/opts_check_x86.cpp
index cdefec2eac9a39bab065ef1762aeafa7c138a43c..7314f7dcf82daea3375792dd1a7acdaec2f30029 100644
--- a/src/opts/opts_check_x86.cpp
+++ b/src/opts/opts_check_x86.cpp
@@ -258,6 +258,14 @@
     }
 }
 
+SkBlitRow::ColorProc SkBlitRow::PlatformColorProc() {
+    if (supports_simd(SK_CPU_SSE_LEVEL_SSE2)) {
+        return Color32_SSE2;
+    } else {
+        return NULL;
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 SkBlitMask::ColorProc SkBlitMask::PlatformColorProcs(SkColorType dstCT,