devapp/owners: add taking as owner of tools/go/ssa.

Change-Id: I77cb092d5facff6b0dd27cf9b6ff55a60a2e0f84
Reviewed-on: https://go-review.googlesource.com/c/build/+/313729
Trust: Tim King <[email protected]>
Run-TryBot: Tim King <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Robert Findley <[email protected]>

Author: timothy-king

devapp/owners/table.go

@@ -735,7 +735,8 @@ var entries = map[string]*Entry{
 		Primary: []Owner{toolsTeam},
 	},
 	"tools/go/ssa": {
-		Primary: []Owner{findleyr},
+		Primary:   []Owner{taking},
+		Secondary: []Owner{findleyr},
 	},
 	"tools/go/types": {
 		Primary: []Owner{toolsTeam},