Merge "Add README." into main am: 06cc64d820

Original change: https://android-review.googlesource.com/c/platform/development/+/2843615

Change-Id: Ic10aedda268230febd4d0b65323d4ec465688bf7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>