Add team members to SystemUI OWNERS.

Bug: N/A
Change-Id: Ifea6c3681f6499a4e3188a51fe2512e0bf260345
Test: N/A
diff --git a/packages/SystemUI/OWNERS b/packages/SystemUI/OWNERS
index 0cd8b45..5b2409a 100644
--- a/packages/SystemUI/OWNERS
+++ b/packages/SystemUI/OWNERS
@@ -6,6 +6,7 @@
 
 aaliomer@google.com
 aaronjli@google.com
+achalke@google.com
 acul@google.com
 adamcohen@google.com
 aioana@google.com
@@ -72,6 +73,7 @@
 patmanning@google.com
 peanutbutter@google.com
 peskal@google.com
+petrcermak@google.com
 pinyaoting@google.com
 pixel@google.com
 pomini@google.com
@@ -83,14 +85,17 @@
 shanh@google.com
 snoeberger@google.com
 steell@google.com
+stevenckng@google.com
 stwu@google.com
 syeonlee@google.com
 sunnygoyal@google.com
 thiruram@google.com
+tkachenkoi@google.com
 tracyzhou@google.com
 tsuji@google.com
 twickham@google.com
 vadimt@google.com
+vanjan@google.com
 victortulias@google.com
 winsonc@google.com
 wleshner@google.com