Add BGRA as input format to SkColorSpaceXform

bench/ColorCodecBench.cpp

Index: bench/ColorCodecBench.cpp
diff --git a/bench/ColorCodecBench.cpp b/bench/ColorCodecBench.cpp
index 84d4f9232db8eef16d52eb29267023d03096a30f..b2bb658ffbec49c535a4b2e86a39788d6641057f 100644
--- a/bench/ColorCodecBench.cpp
+++ b/bench/ColorCodecBench.cpp
@@ -102,7 +102,8 @@ void ColorCodecBench::xformOnly() {
     void* src = fSrc.get();
     for (int y = 0; y < fSrcInfo.height(); y++) {
         xform->apply(dst, (uint32_t*) src, fSrcInfo.width(),
-                     select_xform_format(fDstInfo.colorType()), fDstInfo.alphaType());
+                     select_xform_format(fDstInfo.colorType()),
+                     SkColorSpaceXform::kRGBA_8888_ColorFormat, fDstInfo.alphaType());
         dst = SkTAddOffset<void>(dst, fDstInfo.minRowBytes());
         src = SkTAddOffset<void>(src, fSrcInfo.minRowBytes());
     }