Revert "Temporarily replace "android.com" accounts."

This reverts commit 0ace970e1997c91b1b105eb3e326963bc04164d3.

Bug: 174932174, 175111824
Exempt-From-Owner-Approval: refactoring with team leads buy-in
Change-Id: I152186408ecf6da1cb7354d14737de7cce55a34b
diff --git a/proto/src/metrics_constants/OWNERS b/proto/src/metrics_constants/OWNERS
index ab4d808..7009282 100644
--- a/proto/src/metrics_constants/OWNERS
+++ b/proto/src/metrics_constants/OWNERS
@@ -1,4 +1,4 @@
-cwren@google.com
+cwren@android.com
 yanglu@google.com
 yaochen@google.com
 yro@google.com