am ba8eb1ef: Use SystemClock.elapsedRealtime() instead of sensor timestamp

Merge commit 'ba8eb1efefdc98c016b64e10c26f9729697f254f' into eclair-plus-aosp

* commit 'ba8eb1efefdc98c016b64e10c26f9729697f254f':
  Use SystemClock.elapsedRealtime() instead of sensor timestamp