Update icon cache version. am: 91469dec99

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/15341063

Change-Id: I11a3aa23392b12f83d49fe64c3c208daa980e8dd
tree: aea03753ccdc4aeb3d5914b9eb75c65ea8f5899e
  1. iconloaderlib/
  2. searchuilib/