Refreshes the icon immediately after setHearingAidInfo() is called

If we know a device is hearing devices, we should refresh the icon
immediately.

Bug: 317737217
Test: atest BluetoothUtilsTest#getBtClassDrawableWithDescription_typeHearingAid_returnHearingAidDrawable
Change-Id: I9f3d3d822bc7783aa677e42d7999548c8f6c5ce3
3 files changed