ril: Align to AOSP libril

 * Adjusted whitespace to minimize diffs
 * Plugged memory leaks
 * Fix use-after-free
 * Use calloc instead of alloca
 * Reworked the Samsung request/response code to be
   more readable

Change-Id: Ifd07b525fc84e8a3fca584d4d412785974ca3482
6 files changed