Annotate the now-permaorange bug 698985 as failing on Android

layout/reftests/canvas/reftest.list

@@ -1,7 +1,7 @@
 == default-size.html default-size-ref.html
 == size-1.html size-1-ref.html
 
-== image-rendering-test.html image-rendering-ref.html
+fails-if(Android) == image-rendering-test.html image-rendering-ref.html # bug 698985
 == image-shadow.html image-shadow-ref.html
 
 asserts-if(cocoaWidget,0-2) == size-change-1.html size-change-1-ref.html