am ca7a9d34: Merge "SampleSyncAdapter sample code." into eclair

Merge commit 'ca7a9d3497b84fe5b3576d9ea1d1cefa32850fd1' into eclair-plus-aosp

* commit 'ca7a9d3497b84fe5b3576d9ea1d1cefa32850fd1':
  SampleSyncAdapter sample code.