¿Has probado a activar el tapping con los ajustes de apertura:
adb shell input tap <x> <y>
También para la emulación del cursor:
adb shell input keyevent <19|20|21|22>
Para disparar la llave:
adb shell input keyevent 66
adb shell input keyevent TAB
adb shell input keyevent ENTER
Entonces, para iniciar la configuración hay:
adb shell am start -a com.android.settings
Para terminar está:
adb shell am force-stop com.android.settings
Así que, para empezar:
adb shell am start -a <settings choice>
com.android.settings
com.android.settings.APPLICATION_DEVELOPMENT_SETTINGS
com.android.settings.DISPLAY_SETTINGS
com.android.settings.DOCK_SETTINGS
com.android.settings.QUICK_LAUNCH_SETTINGS
com.android.settings.SOUND_SETTINGS
com.android.settings.TTS_SETTINGS
com.android.settings.VOICE_INPUT_OUTPUT_SETTINGS
android.settings.ACCESSIBILITY_SETTINGS
android.settings.ACCOUNT_SYNC_SETTINGS
android.settings.ACCOUNT_SYNC_SETTINGS_ADD_ACCOUNT
android.settings.ADD_ACCOUNT_SETTINGS
android.settings.AIRPLANE_MODE_SETTINGS
android.settings.APN_SETTINGS
android.settings.APPLICATION_SETTINGS
android.settings.BLUETOOTH_SETTINGS
android.settings.DATA_ROAMING_SETTINGS
android.settings.DATE_SETTINGS
android.settings.DEVICE_INFO_SETTINGS
android.settings.DISPLAY_SETTINGS
android.settings.INPUT_METHOD_SETTINGS
android.settings.INTERNAL_STORAGE_SETTINGS
android.settings.LOCALE_SETTINGS
android.settings.LOCATION_SOURCE_SETTINGS
android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS
android.settings.MANAGE_APPLICATIONS_SETTINGS
android.settings.MEMORY_CARD_SETTINGS
android.settings.PRIVACY_SETTINGS
android.settings.SECURITY_SETTINGS
android.settings.SETTINGS
android.settings.SOUND_SETTINGS
android.settings.SYNC_SETTINGS
android.settings.SYSTEM_UPDATE_SETTINGS
android.settings.USER_DICTIONARY_SETTINGS
android.settings.WIFI_IP_SETTINGS
android.settings.WIFI_SETTINGS
android.settings.WIRELESS_SETTINGS
ACCESSIBILITY_FEEDBACK_SETTINGS
android.net.vpn.SETTINGS
android.search.action.SEARCH_SETTINGS
android.search.action.WEB_SEARCH_SETTINGS