OWNERS: allow copybara to update common.mk automatically

BUG=None
TEST=CQ passes

Change-Id: I4ce2cb8cb5d33f425a2c18ef726d70cee2d774f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mttools/+/6461742
Reviewed-by: William Mahon <[email protected]>
Commit-Queue: Mike Frysinger <[email protected]>
Tested-by: Mike Frysinger <[email protected]>
1 file changed