Add CallInitializeTwice Test

Adds a test to Sensors 2.0 to ensure that if the initialize function
is called twice, then the FMQs used in the second call receive events.

Bug: 115969174
Test: New test passes (SensorsHidlTest#CallInitializeTwice)
Change-Id: I21a9307397eca1f2be93a826db89d24002e848c0