libnfc spring cleaning

o Fix most libnfc warnings, from 360 to 18
o Make DAL_DEBUG much less verbose and more useful
o Clean up Android.mk

Done with minimal textual diff to minimize merge conflicts.

Change-Id: I918645500723ff7bb092ad9959628fcabac45bec
22 files changed
tree: 2157358fa3ddd5309f102185c8cf278fbb078d2c
  1. inc/
  2. Linux_x86/
  3. src/
  4. Android.mk
  5. CleanSpec.mk