UI refresh on bluetooth list page

- xml layout clean up
- add "Device name" preference, tapping will bring up rename dialog
- Remove tap target from original device_name pref

Merged-In: I6e9764dbb6c51f94be6d6a61d5a6401141407409
Change-Id: I9cb67cc557a9b932d7cf795a8d4a6fb5215c4365
Fix: 62890841
Fix: 62891178
Test: robotests

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

@@ -17,33 +17,25 @@
 package com.android.settings.bluetooth;
 
 import static com.google.common.truth.Truth.assertThat;
-
 import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 
-import android.app.Fragment;
-import android.app.FragmentManager;
-import android.app.FragmentTransaction;
 import android.content.Context;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.text.SpannableStringBuilder;
 import android.text.style.ForegroundColorSpan;
 
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
-import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Answers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
@@ -56,17 +48,9 @@ public class BluetoothDeviceNamePreferenceControllerTest {
     private static final int ORDER = 1;
 
     private Context mContext;
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private Fragment mFragment;
-    @Mock
-    private Lifecycle mLifecycle;
     @Mock
     private LocalBluetoothAdapter mLocalAdapter;
     @Mock
-    private FragmentManager mFragmentManager;
-    @Mock
-    private FragmentTransaction mFragmentTransaction;
-    @Mock
     private PreferenceScreen mPreferenceScreen;
     private Preference mPreference;
 
@@ -82,7 +66,7 @@ public class BluetoothDeviceNamePreferenceControllerTest {
         mPreference = new Preference(mContext);
         mPreference.setKey(BluetoothDeviceNamePreferenceController.KEY_DEVICE_NAME);
         mController = new BluetoothDeviceNamePreferenceController(
-                mContext, mFragment, mLocalAdapter);
+                mContext, mLocalAdapter);
     }
 
     @Test
@@ -124,15 +108,4 @@ public class BluetoothDeviceNamePreferenceControllerTest {
         mController.onStop();
         verify(mContext).unregisterReceiver(mController.mReceiver);
     }
-
-    @Test
-    public void testHandlePreferenceTreeClick_startDialogFragment() {
-        when(mFragment.getFragmentManager().beginTransaction()).thenReturn(mFragmentTransaction);
-
-        mController.handlePreferenceTreeClick(mPreference);
-
-        verify(mFragmentTransaction).add(any(), anyString());
-        verify(mFragmentTransaction).commit();
-    }
-
 }