Merge "Generate api_levels.json from the preview codenames." am: a910e10b...

Merge "Generate api_levels.json from the preview codenames." am: a910e10b am: 6138ac81 am: 64e06a05

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2509782



Change-Id: I1986e3439d25de4366f423001021a6ae1c052b46
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>