Use AutoValue from external/auto am: 84052f24c4

Original change: https://android-review.googlesource.com/c/platform/tools/apifinder/+/1350863

Change-Id: I753ff339c4195e31d758fd50e39fb123f306c4e9
tree: b50c8d8bb770ce96d42f748f8983a69bacabed61
  1. src/
  2. Android.bp