[Hearing device shortcut] Provide a way to open accessibility hearing device settings via intent

* hearing device shortcut trigger action is to open accessibility hearing device settings. Framework needs a way to open it.

Bug: 237625815
Test: adb shell am start -a \
"android.settings.ACCESSIBILITY_DETAILS_SETTINGS" \
--es android.intent.extra.COMPONENT_NAME \
"com.android.server.accessibility/HearingAids"
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AccessibilityDetailsSettingsFragmentTest

Change-Id: Ie47e24d29998eac0cf4805e1ac4e7d2bcb77ed8e