tree a41ee8908b56cb4e7b47b40f2133412bb5b104cd
parent 32347ae564b75b702b89bca28e93764979c0743f
author Jack He <siyuanh@google.com> 1588112654 -0700
committer Jack He <siyuanh@google.com> 1588120731 -0700

GD: Add documentation about architecture and testing

Bug: 155227498
Test: make
Change-Id: I9128d39e0bc5ebd34f3e08dedd564198e6e50336