Update files to use SK_BUILD_FOR_ANDROID.

This CL also removes any unecessary references to
the ANDROID definition.
Review URL: http://codereview.appspot.com/5354049

git-svn-id: http://skia.googlecode.com/svn/trunk@2629 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/utils/SkCamera.h b/include/utils/SkCamera.h
index e82aaa1..57521b8 100644
--- a/include/utils/SkCamera.h
+++ b/include/utils/SkCamera.h
@@ -150,7 +150,7 @@
     void rotateY(SkScalar deg);
     void rotateZ(SkScalar deg);
 
-#ifdef ANDROID
+#ifdef SK_BUILD_FOR_ANDROID
     void setCameraLocation(SkScalar x, SkScalar y, SkScalar z);
 #endif