driver for velpt_ab
Change-Id: Ia3738997747c3c991b977b0e07072b204d1cd375

There were 4 parameters that needed to be aligned with pre-load, 
which required updates to the particle keys and the test files.
Merge "driver for velpt_ab Change-Id: Ia3738997747c3c991b977b0e07072b204d1cd375"