Merge "Add constant.py." into main am: 8ca4239aed

Original change: https://android-review.googlesource.com/c/platform/development/+/2755986

Change-Id: I1779c0cac1df730692fcafb26e9b6d5245ee873d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>