Update icon cache version. am: 91469dec99

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

Change-Id: I921c963a24c5ba4223a7512d79e4a1da11fb40e1
tree: aea03753ccdc4aeb3d5914b9eb75c65ea8f5899e
  1. iconloaderlib/
  2. searchuilib/