Exit device details page when bond state is BOND_NONE

BUG: 356222570
Test: local test
Flag: EXEMPT minor bug fix
Change-Id: I1485aa78eb1323eefabf1eb023e24459faed51a6

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

@@ -123,6 +123,14 @@ public class BluetoothDeviceDetailsFragment extends RestrictedDashboardFragment
                         }
                     }
                 }
+
+                @Override
+                public void onDeviceBondStateChanged(
+                        @NonNull CachedBluetoothDevice cachedDevice, int bondState) {
+                    if (cachedDevice.equals(mCachedDevice)) {
+                        finishFragmentIfNecessary();
+                    }
+                }
             };
 
     private final BluetoothAdapter.OnMetadataChangedListener mExtraControlMetadataListener =