Bluetooth: Add OWNERS file to Bluetooth VTS tests

* Add Bluetooth related persons to OWNERS file for Bluetooth VTS tests
  so that it is easier to develop VTS tests in the future

Test: make
Change-Id: I202145344582f9a5ad9dd367da897f5982db57eb
diff --git a/bluetooth/OWNERS b/bluetooth/OWNERS
new file mode 100644
index 0000000..a143df2
--- /dev/null
+++ b/bluetooth/OWNERS
@@ -0,0 +1 @@
+per-file */vts/* = siyuanh@google.com, mylesgw@google.com, jpawlowski@google.com, apanicke@google.com, stng@google.com, hsz@google.com