Prefetch star{,-outline} at size 12

Summary: Used by rating, I think.

Reviewed By: mweststrate

Differential Revision: D18347585

fbshipit-source-id: bbc84a42c34aae9805515c82f8d24cfd0817d8ed

src/utils/icons.js

@@ -33,7 +33,7 @@ const ICONS = {
   'magnifying-glass': [16, 20],
   'minus-circle': [12],
   'question-circle-outline': [16],
-  'star-outline': [16, 24],
+  'star-outline': [12, 16, 24],
   'triangle-down': [12],
   'triangle-right': [12],
   accessibility: [16],
@@ -52,7 +52,7 @@ const ICONS = {
   profile: [12],
   rocket: [20],
   settings: [12],
-  star: [16, 24],
+  star: [12, 16, 24],
   'star-slash': [16],
   'life-event-major': [16],
   target: [12, 16],