Move tee(1) to toybox.

Test: treehugger
Change-Id: Idf7fc37d6e84c295410f71dfc1ad9e460d7f7461
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index b0d9e72..89d012e 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -134,7 +134,6 @@
 	"sort":      Allowed,
 	"stat":      Allowed,
 	"tar":       Allowed,
-	"tee":       Allowed,
 	"timeout":   Allowed,
 	"todos":     Allowed,
 	"touch":     Allowed,
@@ -173,6 +172,7 @@
 	"rmdir":  Toybox,
 	"sleep":  Toybox,
 	"tail":   Toybox,
+	"tee":    Toybox,
 	"true":   Toybox,
 	"uname":  Toybox,
 	"uniq":   Toybox,