Add new testplatform OWNER

BUG=None
TEST=None

Change-Id: If75c1abe4f43968db873a96706ae1ba5d6f5b3be
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2673680
Tested-by: Prathmesh Prabhu <pprabhu@google.com>
Auto-Submit: Prathmesh Prabhu <pprabhu@google.com>
Reviewed-by: Sean Abraham <seanabraham@chromium.org>
Commit-Queue: Sean Abraham <seanabraham@chromium.org>
diff --git a/OWNERS.testplatform b/OWNERS.testplatform
index 10ecd3d..a2c1be6 100644
--- a/OWNERS.testplatform
+++ b/OWNERS.testplatform
@@ -1,6 +1,7 @@
 # Chrome OS Test Platform team
 brigitr@google.com
 dhanyaganesh@chromium.org
+jaquesc@google.com
 jaredloucks@google.com
 nednguyen@chromium.org
 pprabhu@chromium.org