Merge "[Ravenwood] Cleanup RATR implementation and project structure" into main am: 62caa8ac61

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3315220

Change-Id: I60a7d8136736f99965eacbc2866614f577ca70ff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>