am 1270e2e2: Merge change I96ddd6e2 into eclair-mr2

Merge commit '1270e2e22b0b3f0705cee2b82788d8dc3fb03cdb' into eclair-mr2-plus-aosp

* commit '1270e2e22b0b3f0705cee2b82788d8dc3fb03cdb':
  Migration to TrafficStats.