Add 'Live Caption' preference for hearing aids device in Device details page

Bug: 225117933
Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothDetailsRelatedToolsControllerTest
Change-Id: Ic607fa7d10aa2049ab0852a86a57dd1d5d1ac7df

tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsControllerTest.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.bluetooth;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link BluetoothDetailsRelatedToolsController}. */
+@RunWith(RobolectricTestRunner.class)
+public class BluetoothDetailsRelatedToolsControllerTest extends BluetoothDetailsControllerTestBase {
+    private BluetoothDetailsRelatedToolsController mController;
+
+    @Override
+    public void setUp() {
+        super.setUp();
+        mController = new BluetoothDetailsRelatedToolsController(mContext, mFragment, mCachedDevice,
+                mLifecycle);
+    }
+
+    @Test
+    public void isAvailable_isHearingAidDevice_available() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_notHearingAidDevice_notAvailable() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}