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

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

Change-Id: I2953f2166b21cc25d97e616aced1369b8095a8d2
tree: 6d0782f79371a01572eef76c86bcc280b9a24802
  1. iconloaderlib/
  2. searchuilib/