am c7a63eea: Add a new field to Intent that allows you to give a hint about what on screen caused the intent to be sent.

Merge commit 'c7a63eea8d3d346addaaf892b5bbe0aa80651640' into eclair-mr2

* commit 'c7a63eea8d3d346addaaf892b5bbe0aa80651640':
  Add a new field to Intent that allows you to give a hint about what on screen caused the intent to