Exposing method to get theme colors am: e3c46365b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/14605281

Change-Id: I2f16910fdc839d0abdeaced95bd98e055d843f3e
tree: 3d4dd193373350befb36e1edc848053c34fd41d0
  1. iconloaderlib/
  2. searchuilib/