tree d333380eceed9550da7fe5814c4e4f97bc0f28c8
parent dbe44203257917d2610a3fc3f0e9e84ec49e6b34
author Tianjie Xu <xunchang@google.com> 1533626539 -0700
committer Tianjie Xu <xunchang@google.com> 1534206450 -0700

Add the hash_tree_info class in Command

Add hash_tree_info to represent the hash tree computation arguments in
the transfer commands 'compute_hash_tree'. Also add its parsing code in
the Command class.

Bug: 25170618
Test: unit tests pass
Change-Id: Ie8607968377968e8fb3e58d1af0b8ca315e145be