Revert 215007 "Roll Skia DEPS to r10475"

Reverting because this broke the Android x86 build:
http://build.chromium.org/p/chromium.fyi/builders/Android%20x86%20Builder%20%28dbg%29/builds/538

> Roll Skia DEPS to r10475
> 
> R=rmistry@google.com
> 
> Review URL: https://codereview.chromium.org/21402002

TBR=robertphillips@google.com

Review URL: https://codereview.chromium.org/21544002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@215015 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -28,7 +28,7 @@ vars = {
   "ffmpeg_hash": "894e6f715645528e815aee2dad45b59704238dcd",
 
   "sfntly_revision": "134",
-  "skia_revision": "10475",
+  "skia_revision": "10447",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.

skia/skia_library.gypi

@@ -182,7 +182,6 @@
     '../third_party/skia/include/utils',
     '../third_party/skia/src/core',
     '../third_party/skia/src/image',
-    '../third_party/skia/src/ports',
     '../third_party/skia/src/sfnt',
     '../third_party/skia/src/utils',
     '../third_party/skia/src/lazy',