m8: updates for new kernel

* add needed blobs
* add time_helper to ueventd

Change-Id: I97448cadc0a603162679332df6305101afc1a799
m8: add missing CameraParams for new kernel/blobs

Change-Id: Iad12443d4d24a238c50dfe857d8df456cefebadd
sepolicy: add and restorecon /data/OTPData.dat

Change-Id: I4eaa2deb06d84259b4b1c85f4c985a9e917ef7fa