[API] Issue #94: Add new SetUri API to Player

Fix issue #94: <https://github.com/01org/dleyna-renderer/issues/94>

Do the same as OpenUriEx, except it doesn't excecute the Play
command.

Signed-off-by: Ludovic Ferrandis <ludovic.ferrandis@intel.com>
[Coding Convention] CheckPatch [3.8.0.26]

NOTE: Ignored message types: CAMELCASE NEW_TYPEDEFS PREFER_PRINTF

Signed-off-by: Ludovic Ferrandis <ludovic.ferrandis@intel.com>