Adding more benchmark tests for Vehicle stack

Also, change mapping of predefined frequence, if client specify
SENSOR_RATE_FASTEST us maximum available rate from vehicle property
configuration. Allow users to use all predefined SENSOR_RATE_*

Test: runtest -x packages/services/Car/test/vehiclehal_test

Bug: b/36510399
Change-Id: Ica466c0ff35161cd1e580ad3da2c87d8b844795e
Fix: b/37538698
4 files changed