sepolicy: use hvdcp_exec instead of charger_monitor_exec for hvdcp_opti

The hvdcp_opti process was incorrectly using charger_monitor_exec,
instead use hvdcp_exec. Also allow hvdcp to access kmsg_device.

Change-Id: I2465393fa4b1068881a2a67f93809c70fec9be30
2 files changed