am 97984c41: reconcile froyo-release into gingerbread

Merge commit '97984c41fe4f8fdca1f24c7bf790bf03b174f90e' into gingerbread-plus-aosp

* commit '97984c41fe4f8fdca1f24c7bf790bf03b174f90e':
  FRG83
  FRG78
  FRG75
  FRG58B
  FRG58
  FRG57
  include build timestamp in OTA metadata