Sensors: add properties to enable Qualcomm sensor feature
Sensors: add properties to enable Qualcomm sensor feature

- property to enable Qualcomm Mag Cal & disable AKM mag cal
- property to enable Qualcomm step detector & counter

Change-Id: Ia9b11f52399a9e0a12933b1e203c5208b2e259c2

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead