tree 210776a6f0f1cab88de7045ec1b83a55745b9ce6
parent 0c99df911af7f10a9deb482b9189353f7baa93f0
author Ivan Frade <ifrade@google.com> 1770403759 -0800
committer Ivan Frade <ifrade@google.com> 1771364060 -0800
change-id lmlvplvmnnruzmkmwzvlukpnpmnpzwsl

PackIndexMerger: replace constructor with Builder

With the current constructor, we can only pass PackIndexes as sources
for the midx. We would like to use a midx as a source for a new midx
(e.g. to merge them).

Add a builder to the merger. At the moment only with PackIndexes.

Change-Id: Iede4ae4dcc850dfd304e5facadca037e6a6a6964