libweave: temporarily set OWNERS to * before someone adopts

The only person in OWNERS file has left the team.

BUG=None
TEST=None

Exempt-From-Owner-Approval: OWNERS not in team.
Change-Id: I7055335e5453deb4fb45950208854232c09418e8
Reviewed-on: https://chromium-review.googlesource.com/c/weave/libweave/+/1986539
Tested-by: Qijiang Fan <fqj@google.com>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Commit-Queue: Chris McDonald <cjmcdonald@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
diff --git a/OWNERS b/OWNERS
index e5a7ce4..72e8ffc 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1 +1 @@
-avakulenko@google.com
+*