bluetooth: Add characteristic list to DeviceDetailsPage in internals page.

device/bluetooth/public/interfaces/properties.typemap

Index: device/bluetooth/public/interfaces/properties.typemap
diff --git a/device/bluetooth/public/interfaces/properties.typemap b/device/bluetooth/public/interfaces/properties.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..cb98bd7963940610132dcad16e8ea41523cb9d07
--- /dev/null
+++ b/device/bluetooth/public/interfaces/properties.typemap
@@ -0,0 +1,12 @@
+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+mojom = "//device/bluetooth/public/interfaces/device.mojom"
+public_headers = [ "//device/bluetooth/bluetooth_gatt_characteristic.h" ]
+traits_headers =
+    [ "//device/bluetooth/public/interfaces/properties_struct_traits.h" ]
+deps = [
+  "//device/bluetooth",
+]
+type_mappings = [ "bluetooth.mojom.Properties=device::BluetoothGattCharacteristic::Properties" ]