TIM: get sensor service

Sensor data is returned asynchronously in the form of a SensorEvent.
Have TIM service block until an event is received with a timeout. We are
guaranteed an initial event when registering a sensor.

Flag: com.android.tradeinmode.flags.trade_in_mode_2025q4
Test: th
Change-Id: I32901c822faa0043195f0e4a5a39c156d9759a69