Use ultrasonic onAcquired messages for UdfpsController callbacks

Ultrasonic devices do not depend on framework touches, so use onAcquired
messages for sending callbacks instead.

Bug: 300156541
Test: atest UdfpsControllerTest
Flag: EXEMPT bugfix
Change-Id: Ida6b726ebfebab918768f7894920e0b20f390309
2 files changed