add API to Cursor to get column value type

Change-Id: Ie9ef7071eac68c072e88bc97f6fc63d01e6652b0
Merge commit 'f591aa9ff2bd356b31da1c531d1bde46f9f79f03' into HEAD

* commit 'f591aa9ff2bd356b31da1c531d1bde46f9f79f03':
  add API to Cursor to get column value type