devapp/owners: add rsc as owner of x/oscar

Change-Id: I205ec67c50a303b60220c709e3c5f9687b7fa491
Reviewed-on: https://go-review.googlesource.com/c/build/+/596477
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Than McIntosh <thanm@google.com>
diff --git a/devapp/owners/table.go b/devapp/owners/table.go
index 0c490be..1295235 100644
--- a/devapp/owners/table.go
+++ b/devapp/owners/table.go
@@ -796,6 +796,9 @@
 	"oauth2": {
 		Secondary: []Owner{jbd, shinfan, codyoss},
 	},
+	"oscar": {
+		Primary: []Owner{rsc},
+	},
 	"perf": {
 		Primary: []Owner{runtimeTeam, releaseTeam},
 	},