Add API dump for the current version

created by invoking 'm <module_name>-update-api'

Exempt-From-Owner-Approval: cherry-pick from AOSP

Bug: 147433177
Test: m
Merged-In: Ie4b5314d0da0e36f8686049bf751f8dfbcead169
(cherry picked from commit 2d09e26f)
Change-Id: Ie4b5314d0da0e36f8686049bf751f8dfbcead169