Remove the gear icon and change tapping event

* For fix the conflicts in pi-dev, cherry pick the ag/3944480 in
  master and merge the conflict.
* Remove the gear icon in "currently connected" section.
* Change the tapping event in "currently connected" section.
  When tapping device in this section, take user to device detail page.
* Add test to verify when ConnectedBluetoothDeviceUpdater add preference
  the shouldHideSecondTarget() is return true.

Bug: 78490845
Test: make -j40 RunSettingsRoboTests
Change-Id: I25f8455def3c38e24dea9af9e9e29ba37c250f67

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

@@ -56,6 +56,7 @@ public final class BluetoothDevicePreference extends GearPreference implements
 
     private AlertDialog mDisconnectDialog;
     private String contentDescription = null;
+    private boolean mHideSecondTarget = false;
     /* Talk-back descriptions for various BT icons */
     Resources mResources;
 
@@ -86,7 +87,8 @@ public final class BluetoothDevicePreference extends GearPreference implements
     protected boolean shouldHideSecondTarget() {
         return mCachedDevice == null
                 || mCachedDevice.getBondState() != BluetoothDevice.BOND_BONDED
-                || mUserManager.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH);
+                || mUserManager.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH)
+                || mHideSecondTarget;
     }
 
     @Override
@@ -112,6 +114,10 @@ public final class BluetoothDevicePreference extends GearPreference implements
         return mCachedDevice;
     }
 
+    public void hideSecondTarget(boolean hideSecondTarget) {
+        mHideSecondTarget = hideSecondTarget;
+    }
+
     public void onDeviceAttributesChanged() {
         /*
          * The preference framework takes care of making sure the value has