Update boot image profiles OWNERS

Test: m

Change-Id: Ic4190cba73d40621a82ea818051d40e6b578357b
diff --git a/services/OWNERS b/services/OWNERS
index 88d0b61..f1fa542 100644
--- a/services/OWNERS
+++ b/services/OWNERS
@@ -1 +1,4 @@
 per-file Android.bp = file:platform/build/soong:/OWNERS
+
+# art-team@ manages the system server profile
+per-file art-profile* = calin@google.com, mathieuc@google.com, ngeoffray@google.com