Update ThemedIconDrawable to spec. am: ecaa3818eb am: 903655fc5a am: 2093a078b8

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

Change-Id: I197e34397bf5b509a4c341b9f077d1a7e512214c
tree: 6d0782f79371a01572eef76c86bcc280b9a24802
  1. iconloaderlib/
  2. searchuilib/