am a9b02f0b: resolved conflicts for merge of a6bed2f7 to gingerbread

Merge commit 'a9b02f0bfeba5b3df1d6e74e7a695c5d357f2a13' into gingerbread-plus-aosp

* commit 'a9b02f0bfeba5b3df1d6e74e7a695c5d357f2a13':
  Add phony target dist_libraries