Add wleshner and justinkoh to OWNERS.

Change-Id: I78308bb67e6894cb81ebf48453cc31d23a969b2b
Test: n/a
diff --git a/packages/SystemUI/OWNERS b/packages/SystemUI/OWNERS
index 4b07eaf..9af8ddd 100644
--- a/packages/SystemUI/OWNERS
+++ b/packages/SystemUI/OWNERS
@@ -33,6 +33,7 @@
 joshtrask@google.com
 juliacr@google.com
 juliatuttle@google.com
+justinkoh@google.com
 kchyn@google.com
 kozynski@google.com
 kprevas@google.com
@@ -68,6 +69,7 @@
 vadimt@google.com
 victortulias@google.com
 winsonc@google.com
+wleshner@google.com
 yurilin@google.com
 xuqiu@google.com
 zakcohen@google.com