tree 3c2bf117cbbaf3e2aaa8607e1b5de0bc3ef815f5
parent e68f6cdabd0ffd5c96935181cfc68b05de0db5ce
author David Friedman <dmail@google.com> 1448492733 -0800
committer David Friedman <dmail@google.com> 1448500522 -0800

Docs: Removes obsoleted material.

Bug: N/A

This change reverts away from the temporary "Dev Summit" announcement
that dominated the Android top landing page--the summit is now over.
Also removing some M-Preview directories that had persisted in the
non-English areas of DAC.

Change-Id: I650345edc9be57875d4306cd4ab87603d6f69fa5