msm8226-common: remove unnecessary proprietary files

* libfrsdk.so is part of face unlock feature and it's
  included in the gapps package
* remove camera libs for camera hardware which has no
  driver support enabled in kernel

Change-Id: I51b4b41165a5eb2036087f2b84af21e568f82526
media_codecs: Add ffmpeg

Change-Id: Ice8848cbe80a61a5340e3ed51921fc76127cca81
Build charger and stop using a prebuilt charge_only_mode

Change-Id: I6ceb60445a67405922f5cee378153553eca948de
rootdir: Fix CTS insecure character device

Change-Id: I0c14c10e27c74a11522047df5309a04c5268522a
Enable selinux enforcing

Change-Id: I41174ce568f87661cbabbe502b066fc3392cd11b
Build charge_only_mode instead of charger

Change-Id: I2e9bb9cc041e01f83531d9d1bb4e986cfb5e7d1b
Enable support for HW based encryption

Change-Id: Ic3f91f3db2203fc216ee7e4dcc1a12b5bdd78c70