Click left side of list in "previously connected devices" should connect to the device

* For fix the TreeHugger error in pi-dev, cherry pick the ag/3943978 in
  master and fix TreeHugger error. Change android.support.v7.* to androidx.*
* In "previously connected devices", to connect device
* In "Available media devices", to activate device

Bug: 77607104
Test: make -j50 RunSettingsRoboTests
Change-Id: If5005031bd3f5dc4950abf2c77575785cd6f67b1

src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java

@@ -18,8 +18,9 @@ package com.android.settings.bluetooth;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.media.AudioManager;
-import androidx.annotation.VisibleForTesting;
 import android.util.Log;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;
@@ -29,7 +30,8 @@ import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 /**
  * Controller to maintain available media Bluetooth devices
  */
-public class AvailableMediaBluetoothDeviceUpdater extends BluetoothDeviceUpdater {
+public class AvailableMediaBluetoothDeviceUpdater extends BluetoothDeviceUpdater
+        implements Preference.OnPreferenceClickListener {
 
     private static final String TAG = "AvailableMediaBluetoothDeviceUpdater";
     private static final boolean DBG = false;
@@ -116,5 +118,12 @@ public class AvailableMediaBluetoothDeviceUpdater extends BluetoothDeviceUpdater
         }
         return isFilterMatched;
     }
+
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        final CachedBluetoothDevice device = ((BluetoothDevicePreference) preference)
+                .getBluetoothDevice();
+        return device.setActive();
+    }
 }