We used to dismiss the dialog and then re-show to update the dialog
content. This change is to update the content in place by findViewById.
Test: atest
Flag: com.android.settingslib.flags.promote_audio_sharing_for_second_auto_connected_lea_device
Bug: 395786392
Change-Id: I565d465c5c7d8aaef2a96f5d5f0cb70232a1d7cc