am d57f7d5f: reconcile main tree with open-source eclair

Merge commit 'd57f7d5f767dcfef8e318427e34e56bdb3da6eb6' into eclair-plus-aosp

* commit 'd57f7d5f767dcfef8e318427e34e56bdb3da6eb6':
  android-2.1_r1 snapshot