Add OWNERS for CtsOsHostTestCases

Test: -
Change-Id: I402dba337f043e611447f9c2d13556a2597f2a56
diff --git a/hostsidetests/os/OWNERS b/hostsidetests/os/OWNERS
new file mode 100644
index 0000000..ca737ac
--- /dev/null
+++ b/hostsidetests/os/OWNERS
@@ -0,0 +1,4 @@
+# Bug component: 25692
+michaelwr@google.com
+santoscordon@google.com
+per-file InattentiveSleepTests.java=rgl@google.com, robhor@google.com