am e81c9609: Merge change I8c92c39b into eclair-mr2

Merge commit 'e81c9609cc99d10045b70f79729b4b0edbf793c2' into eclair-mr2-plus-aosp

* commit 'e81c9609cc99d10045b70f79729b4b0edbf793c2':
  Add postdata identifier so that if we cache the post