tegra3-common: Start pollyd late

In-call volume problems are related to pollyd not correctly
starting/restarting. It's possible for pollyd to be in a permanent
"stopping" state without an actual running process. Init will not restart
pollyd in this case. This might be a bug in init.

Starting pollyd late seems to make it more reliable.

Change-Id: I38dcab7337da8cc2aa681308202f2124d8cab5aa
tegra3-common: Fix some permissions

Fixes the following errors on boot.

E/HtcCameraHal(  151): [CAM] [Calibration] open file ["/data/factory_main.bin"] failed, errno = 13 (Permission denied)

E/hwcomposer(  148): /sys/class/graphics/fb0/device/smartdimmer/enable: open failed: Permission denied
E/hwcomposer(  148): Failed to set initial DIDIM status to disable

E/nvaudio_hw(21838): open failed of sysfs entry /sys/power/suspend/mode
E/nvaudio_hw(21838): Error in save_lp_mode

Change-Id: I98a32a39a66f88f7dff3a4ab1ada867aaabff568
tegra3-common: Add HTC RIL daemon service

We need at least the rild-audio-gsm socket for adjusting the in-call volume
when using the HTC libril/libcall_volume.

Change-Id: I4505ac575102c7914ef51d358c8e14af356dc307
tegra3-common: RIP polly, you served us well

Change-Id: Idf50c582598a851bb32baa1cc08ca751e80c0bad
tegra3-common: Fix init script

The ril-daemon is now correctly stopped.

Change-Id: I6223a2da94216c698385d249a999c422676022b9
tegra3-common: Fix rild-audio-gsm socket group for libcall_volume

Without this libcall_volume cannot open and write to the rild-audio-gsm
socket which breaks adjusting the in-call volume.

Change-Id: Ibc46060904915c032291f2e9ce66c79da2cb5e45