Update ThemedIconDrawable to spec. am: ecaa3818eb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/14845163

Change-Id: Ifd5e38112dd3b0c4a58c4efcadfd3cc75fa4efd0
tree: 6d0782f79371a01572eef76c86bcc280b9a24802
  1. iconloaderlib/
  2. searchuilib/