Update contributor list in projects.yaml.

Update 'pl', 'tl' and 'extra-atcs' entries for test subproject.

Change-Id: Ic2d37f949b9f34aa247d164e66272896f1736306
Signed-off-by: Gonzalo Gallardo <gonzalo.gallardo@windriver.com>

reference/tsc/projects.yaml

@@ -528,13 +528,13 @@ security:
 
 test:
   pl:
-    name: Yang Liu
+    name: Michiel Seuren
     irc:
-    email: yang.liu@windriver.com
+    email: michiel.seuren@windriver.com
   tl:
-    name: TBD
+    name: Michiel Seuren
     irc:
-    email:
+    email: michiel.seuren@windriver.com
   irc-channel: starlingx
   mission: >
     If it is not tested it is broken
@@ -544,7 +544,15 @@ test:
       repos:
         - starlingx/test
   extra-atcs:
-    - name: Ada Cabrales
-      email: ada.cabrales@intel.com
-      expires-in: November 2020
+    - name: Amir Darehshoorzadeh
+      email: Amir.Darehshoorzadeh@windriver.com
+      expires-in: November 2022
+      comment:
+    - name: Nicolas Rocca
+      email: Nicolas.Rocca@windriver.com
+      expires-in: November 2022
+      comment:
+    - name: Maximo Arnaudo
+      email: Maximo.Arnaudo@windriver.com
+      expires-in: November 2022
       comment: