tree 143d8bec0e87f7f98f54398e8219cdffdc496427
parent 509dc50f2c055ac0a0b30a02c97316a69668bb4d
author James Robinson <jamesr@google.com> 1542654889 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1544229667 +0000

[prebuilt_package] Compute package set for prebuilt packages

This makes it possible to add prebuilt packages to the
available/preinstall set and have the correct indices computed.

Test: fx set with topaz/packages/prod/chromium in --available and
--preinstall and --args=enable_chromium=true

Change-Id: I7ef8b12a5066b72cef98267ac4a6abf5e337e3d6