Remove Ed from Google-misc maintainers

Change-Id: I92a9e7ece6a2ae170989d0022376d5b0a1e7f12b
Signed-off-by: Ed Tanous <ed@tanous.net>

Add OWNERS plugin to google-misc.

Signed-off-by: Nancy Yuen <yuenn@google.com>
Change-Id: I4d307e7a5d815ff24857548dfda22ee4febee9a7