am b28632a5: 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 'b28632a5206d11844db39ca1ab5f64a99ec74e29' into eclair-mr2-plus-aosp

* commit 'b28632a5206d11844db39ca1ab5f64a99ec74e29':
  Add a new field to Intent that allows you to give a hint about what on screen caused the intent to