BT: Use one OWNERS file per VTS directory

* Unfortunately, glob pattern in OWNERS file cannot include
  directory paths and hence **/vts/** mechanism doesn't work
* For now, we need an individual OWNERS file for each VTS directory that
  we have

Test: make
Change-Id: Iacad2cb78152c06829632126c210c9585dce2a31
diff --git a/bluetooth/1.0/vts/OWNERS b/bluetooth/1.0/vts/OWNERS
new file mode 100644
index 0000000..58d3a66
--- /dev/null
+++ b/bluetooth/1.0/vts/OWNERS
@@ -0,0 +1,8 @@
+zachoverflow@google.com
+siyuanh@google.com
+mylesgw@google.com
+jpawlowski@google.com
+apanicke@google.com
+stng@google.com
+hsz@google.com
+