bump.py automatically updates the code for libvintf

Vintf finalization requires adding the new API levels to the libvintf
code. Add the automation script for that with the finalization
process.
This process will be skipped if the code already has been updated.

Bug: 331696132
Test: tools/finalization/build-step-0-and-m.sh
Change-Id: Ibd6a71337d88b71708ef378e3862e6c67364b92b