powerstats: add OWNERS for power stats

Bug: 264815906
Test: N/A
Change-Id: I7962429126547b974bdc3133b00b49624a94959c
Signed-off-by: Darren Hsu <darrenhsu@google.com>
diff --git a/powerstats/OWNERS b/powerstats/OWNERS
new file mode 100644
index 0000000..e0d66d7
--- /dev/null
+++ b/powerstats/OWNERS
@@ -0,0 +1,4 @@
+darrenhsu@google.com
+joaodias@google.com
+krossmo@google.com
+vincentwang@google.com