sepolicy: add some more policies

* more access to kcal and vibe devices
* allow kernel to unmount labeledfs (for new kernel)
* allow system_server access to time_daemon

Change-Id: I113c14014dde97c7f3c65c8afa60d979b02fcf98
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_device_htc_m8 into lollipop