DO NOT MERGE: Move translation entry point into translate.c.

The entry point to the translation code is currently called
packet_handler and lives in clatd.c. Move it into translate.c
and rename it to translate_packet, since that's what it does.

Also get rid of some redundant includes.

Bug: 11542311
Change-Id: I821bb9590b9105ea1d425c3bbe0e634c4ce667b5
6 files changed