am 17876aa5: Minor changes to ContentProvider javadoc to improve consistency.

Merge commit '17876aa586cc9acfb3e5b909c14b9e73537a1a8d' into gingerbread

* commit '17876aa586cc9acfb3e5b909c14b9e73537a1a8d':
  Minor changes to ContentProvider javadoc to improve consistency.