Add pablogamito to flicker test owners

Test: check owners file
Change-Id: If8adecda0d23d6d673825695e57813b281c0f6bc
diff --git a/libs/WindowManager/Shell/tests/OWNERS b/libs/WindowManager/Shell/tests/OWNERS
index d80699d..f49e80a 100644
--- a/libs/WindowManager/Shell/tests/OWNERS
+++ b/libs/WindowManager/Shell/tests/OWNERS
@@ -1,3 +1,4 @@
 # Bug component: 909476
 # includes OWNERS from parent directories
 natanieljr@google.com
+pablogamito@google.com