1. The HAC toggle on/off event
2. The "See more devices" button click in hearing device pairing page
3. The preset changed event in Bluetooth device details page
Flag: EXEMPT, simple log
Bug: 361206470
Test: manually check on go/atomviewer
Test: atest BluetoothDetailsHearingAidsPresetsControllerTest
Change-Id: I743ea136ec4cb3370c0463df865db830e73e7997
With UX flow change, clicking "View more devices" button will redirect to connected devices page rather than connected device pairing page.
Bug: 321840161
Test: atest ViewAllBluetoothDevicesPreferenceControllerTest
Change-Id: Icfc03a463e2aaaf3db3c75524c112028b1fd6655
Solution: Finish the page immediately to back to previous page when already BONDED the device in
all bluetooth device page.
Bug: 270096758
Test: make RunSettingsRoboTests ROBOTEST_FILTER=ViewAllBluetoothDevicesPreferenceControllerTest
Change-Id: I13a88c3fbe0c6851f9446a9f574a1c18f934cd2e