Fix for rild crash becasue of buffer overflow

There is a buffer overflow which causing rild crash. For
appendPrintBuf, "sprintf" is replaced with "snprintf" for
the safe copy operation.

Bug:23289936
Change-Id: I25430a5c6f2a8b19a3271235323499b6ee802746
1 file changed
tree: 3958b93785aaf4e7504edf3e27a57e457043f7a5
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk