Revert of setConfig -> setInfo (https://codereview.chromium.org/308683005/)

Reason for revert:
broke all Windows bots

Original issue's description:
> setConfig -> setInfo
>
> BUG=skia:
>
> Committed: http://code.google.com/p/skia/source/detail?r=14978

R=robertphillips@google.com, reed@google.com
TBR=reed@google.com, robertphillips@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: epoger@google.com

Review URL: https://codereview.chromium.org/302053002

git-svn-id: http://skia.googlecode.com/svn/trunk@14979 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/ShaderOpacityTest.cpp b/tests/ShaderOpacityTest.cpp
index 90d25d7..506c7cd 100644
--- a/tests/ShaderOpacityTest.cpp
+++ b/tests/ShaderOpacityTest.cpp
@@ -14,7 +14,7 @@
     SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2);
 
     SkBitmap bmp;
-    bmp.setInfo(info);
+    bmp.setConfig(info);
 
     // test 1: bitmap without pixel data
     SkShader* shader = SkShader::CreateBitmapShader(bmp,