Group revert of the following commits for design docs:

ce470e17fd4298c1b8aa9a5fd7493bde7a6be840
8874ab0473f4db10e71bf0537c0703db03bac4ee
bdd8d0fada73dabbda7f6f174c17317d1e30a79e
6443ca4cd9406ed8e9ba55461d4b2eb677aad17a
5ac5a324b377c8c5f29a3d368ebfdc76b0d02e3e
1edd4ae5c4748bd9d1e64f65dc554790063d59b8
be13fa0b7ac7929e65b1f3e40b2834ed0d9ed7ff
6a681afd38d9881154207436e5e145856e9d2f75
353474c0acdad9b8ffdb86d3d5f32137885dd720
2b1584c1d53cd1070d5157c07158828b4baf8844

Had to revert these because they're not ready to be published.

Change-Id: I704cf0df1db9aa159295bdf78e97cef9605addc6
75 files changed