common: init: update sensor settings file related entries

As part of consolidating sensor directories & files,
updating sensor settings related entries in init script
for better alignment & security.

CRs-Fixed: 582070
Change-Id: I5df308fe2d77ea047435d03dfda47a338fb858af
init.qcom.rc: remove set GID bit for /data/audio

Remove set GID bit for /data/audio for security reasons

Change-Id: I23f037e101dd4fc783761c8fc3f08f46de8733a5
CRs-Fixed: 578087
ueventd.qcom.rc: Change hw_random permission to root

Change hw_random permission to root, higher the permission
higher is the device secure.

Change-Id: Ifca1f2e40a980444d64f38631dd9ea337701df62
Merge "common: init: update sensor settings file related entries"
Merge "ueventd.qcom.rc: Change hw_random permission to root"
Merge "init.qcom.rc: remove set GID bit for /data/audio"