Add privapp permissions permission for

com.android.cellbroadcastreceiver package.

Bug: 159544147
Fixes: 159544147
Test: Built a system image with this change and flashed
a device with it and the device booted successfully.

Change-Id: I7fd5080aa740fcfcebeb4f934d0a3fc39d847cc9
Merged-In: I7fd5080aa740fcfcebeb4f934d0a3fc39d847cc9