bluetooth: Check if device name is null before trying to convert

device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java

Index: device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
diff --git a/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java b/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
index b3677b0c792d83b110cc21e1197ade23a9804992..352c4cfb7aa73705da3ab3164ed2a3daf666ed77 100644
--- a/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
+++ b/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
@@ -121,6 +121,14 @@ class Fakes {
 
                     break;
                 }
+                case 5: {
+                    ArrayList<ParcelUuid> uuids = null;
+                    mFakeScanner.mScanCallback.onScanResult(ScanSettings.CALLBACK_TYPE_ALL_MATCHES,
+                            new FakeScanResult(new FakeBluetoothDevice(
+                                                       this, "01:00:00:90:1E:BE", null),
+                                                                    uuids));
+                    break;
+                }
             }
         }