Connect button should have correct icon

Test: visual
Change-Id: I3688a309a538112c60f5d6084c774c08a2ac05d5
Fixes: 119758987
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
index 563a06a..4bb2103 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
@@ -76,7 +76,7 @@
             if (!mConnectButtonInitialized || previouslyConnected) {
                 mActionButtons
                         .setButton2Text(R.string.bluetooth_device_context_connect)
-                        // TODO (b/119646923) Icon is not ready.
+                        .setButton2Icon(R.drawable.ic_add_24dp)
                         .setButton2OnClickListener(
                                 view -> mCachedDevice.connect(true /* connectAllProfiles */));
                 mConnectButtonInitialized = true;