rename blitrow::proc and add (uncalled) hook for colorproc16

src/opts/SkBlitRow_opts_none.cpp

Index: src/opts/SkBlitRow_opts_none.cpp
diff --git a/src/opts/SkBlitRow_opts_none.cpp b/src/opts/SkBlitRow_opts_none.cpp
index 64066f2047d7cd840413f7d0f0a8df0b80c355d2..9558f1433726d6452ecbe33a86e838a8c39c9fac 100644
--- a/src/opts/SkBlitRow_opts_none.cpp
+++ b/src/opts/SkBlitRow_opts_none.cpp
@@ -9,7 +9,11 @@
 
 // Platform impl of Platform_procs with no overrides
 
-SkBlitRow::Proc SkBlitRow::PlatformProcs565(unsigned flags) {
+SkBlitRow::Proc16 SkBlitRow::PlatformFactory565(unsigned flags) {
+    return NULL;
+}
+
+SkBlitRow::ColorProc16 SkBlitRow::PlatformColorFactory565(unsigned flags) {
     return NULL;
 }