make imagefilters* imagemagnifier imageresizetiled portable

TBR=reed@google.com

Review URL: https://codereview.chromium.org/1238083004
diff --git a/gm/imagemagnifier.cpp b/gm/imagemagnifier.cpp
index 5e48350..2e739cf 100644
--- a/gm/imagemagnifier.cpp
+++ b/gm/imagemagnifier.cpp
@@ -45,8 +45,8 @@
             int x = rand.nextULessThan(WIDTH);
             int y = rand.nextULessThan(HEIGHT);
             SkPaint paint;
-            sk_tool_utils::set_portable_typeface(&paint);
-            paint.setColor(rand.nextBits(24) | 0xFF000000);
+            sk_tool_utils::set_portable_typeface_always(&paint);
+            paint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000));
             paint.setTextSize(rand.nextRangeScalar(0, 300));
             paint.setAntiAlias(true);
             canvas->drawText(str, strlen(str), SkIntToScalar(x),