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/src/animator/SkDisplayEvent.cpp b/src/animator/SkDisplayEvent.cpp
index d295018..e3116d7 100644
--- a/src/animator/SkDisplayEvent.cpp
+++ b/src/animator/SkDisplayEvent.cpp
@@ -255,7 +255,7 @@
     return true;
 }
 
-#ifdef ANDROID
+#ifdef SK_BUILD_FOR_ANDROID
 
 #include "SkMetaData.h"
 #include "SkParse.h"