am 121a31ac: Merge change Id86beb99 into eclair

Merge commit '121a31ac3901fcb81c808da2b4a9a7cf66c12b7c' into eclair-mr2

* commit '121a31ac3901fcb81c808da2b4a9a7cf66c12b7c':
  fix [2291418] Camera preview cannot work in Emulator