Shared trees are supported by specifying the inner-tree as a list in the
mcombo file. This change enables that work.
Bug: None
Test: manual, unittests pass
Change-Id: I161d707d0aada66d134b49b158bf538f0e2a2572
This reduces the scope of the demo to just building and installing
a single .so, but it makes the demo actually build that single .so.
Next up, writing some unit tests and fleshing out functionality.
Test: see the README
Change-Id: I560904b786fbf69d3a83dbb08d496dba5a3192ca
