dlx: Include low latency audio permissions

Change-Id: I0d3bf9bfcd94d29060ccacf0ef2c2fe8e4f33596
dlx: set /proc/cmdline permission

Change-Id: I989efcde177f1efabf6093d1c6ff3024a4ddb5fb
dlx: Include BTLE permissions

Change-Id: Ic9c813b6597c753babe8d121ed7a03617aa881e5
dlx: Include Qualcomm AV enhancements

Change-Id: I373163110ab14006a9c4c2960bd1d080e31e6f10
Merge https://github.com/CM10DNA/android_device_htc_dlx into cm-10.2