Add michaelwr@ to Shell OWNERS

Bug: N/A
Test: N/A
Change-Id: I1ba3bcc7847af971b1877490d6e76b09f9da7c31
diff --git a/packages/Shell/OWNERS b/packages/Shell/OWNERS
index 34901f5..6d738f8 100644
--- a/packages/Shell/OWNERS
+++ b/packages/Shell/OWNERS
@@ -9,3 +9,4 @@
 toddke@google.com
 cbrubaker@google.com
 omakoto@google.com
+michaelwr@google.com