tree df2ad5d0f93ea7c0fab91b662f8677af751b0b82
parent c016c281c1f34aa2d9507cc8f2174b3ce52f4cbb
author Daniel Norman <danielnorman@google.com> 1564175631 -0700
committer Daniel Norman <danielnorman@google.com> 1564776783 +0000

Adds support for optionally generating vbmeta.img in merge_builds.

Bug: 137853921
Bug: 138671115
Test: python -m unittest test_common
Test: python -m unittest test_add_img_to_target_files
Test: Ran 'merge_builds --build_vbmeta' for two devices, one with the
vbmeta struct on system.img and another with vbmeta_system.img. Flashed
the regenerated vbmeta.img files on devices, devices boot.

Change-Id: I8d7585c7af468be3d242d8aceeed6d27e6fc6d96