Properly enable S32_D16_filter_DX_SSE2 optimization.

src/opts/opts_check_SSE2.cpp

Index: src/opts/opts_check_SSE2.cpp
diff --git a/src/opts/opts_check_SSE2.cpp b/src/opts/opts_check_SSE2.cpp
index e7677220cb9326480e4fea631e2249398547e1a9..d60ba1dbd3e8df887600e74ea8a3f83955589567 100644
--- a/src/opts/opts_check_SSE2.cpp
+++ b/src/opts/opts_check_SSE2.cpp
@@ -141,13 +141,13 @@ void SkBitmapProcState::platformProcs() {
         } else if (fSampleProc32 == S32_alpha_D32_filter_DX) {
             fSampleProc32 = S32_alpha_D32_filter_DX_SSE2;
         }
+    }
 
+    if (cachedHasSSE2()) {
         if (fSampleProc16 == S32_D16_filter_DX) {
             fSampleProc16 = S32_D16_filter_DX_SSE2;
         }
-    }
 
-    if (cachedHasSSSE3() || cachedHasSSE2()) {
         if (fMatrixProc == ClampX_ClampY_filter_scale) {
             fMatrixProc = ClampX_ClampY_filter_scale_SSE2;
         } else if (fMatrixProc == ClampX_ClampY_nofilter_scale) {