Implement batch test for Sensors 2.0

Verify that the batch function is correctly implemented for Sensors
HAL 2.0. This test ensures that the interface is properly implemented,
not that sensors generate events at the requested rate.

Bug: 115969174
Test: Builds, new test passes against default implementation
Change-Id: I607ff18f59d1ba73aa972ed46b04332892772355
1 file changed