[Bluetooth, Mac] Use lowercase for the bluetooth device address for M36.

device/bluetooth/bluetooth_device_mac.mm

Index: device/bluetooth/bluetooth_device_mac.mm
diff --git a/device/bluetooth/bluetooth_device_mac.mm b/device/bluetooth/bluetooth_device_mac.mm
index 73dc8bf9ea3284f46bdcd23d2b6e5b66cb3a11e9..d838bf03bf3e47b2bc779e3ee81f7f674eda41f8 100644
--- a/device/bluetooth/bluetooth_device_mac.mm
+++ b/device/bluetooth/bluetooth_device_mac.mm
@@ -244,7 +244,8 @@ std::string BluetoothDeviceMac::GetDeviceAddress(IOBluetoothDevice* device) {
 std::string BluetoothDeviceMac::NormalizeAddress(const std::string& address) {
   std::string normalized;
   base::ReplaceChars(address, "-", ":", &normalized);
-  StringToUpperASCII(&normalized);
+  // TODO(isherman): Restore StringToUpperASCII(&normalized) call for M37.
+  // http://crbug.com/371014
   return normalized;
 }