taimen: update maintainer information

Change-Id: I6bccf394e9c1f443236be862af24ecf9522ba335
diff --git a/_google/googlepixel2xl.markdown b/_google/googlepixel2xl.markdown
index 26dc0a0..69767cd 100644
--- a/_google/googlepixel2xl.markdown
+++ b/_google/googlepixel2xl.markdown
@@ -3,8 +3,8 @@
 title:  "Google Pixel 2 XL"
 codename: taimen
 downloadfolder: taimen
-supportstatus: Beta
-maintainer: Dees_Troy
+supportstatus: Current
+maintainer: Dees_Troy, Bigbiff
 oem: Google
 devicetree: https://github.com/TeamWin/android_device_google_wahoo
 ---