Unifying some icon loading methods am: 999780e776

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/14202719

Change-Id: I9f465876f31ac946584b578d849131d08a4d0fa4
tree: 772e72af1367bc643ee1b1b47d719fbb27cd205d
  1. iconloaderlib/
  2. searchuilib/