Rename NYX_OS_INFO_WEBOS_BUILD to NYX_OS_INFO_WEBOS_BUILD_ID

- Add NYX_OS_INFO_WEBOS_BUILD_ID as an alias to NYX_OS_INFO_WEBOS_BUILD
- Mark NYX_OS_INFO_WEBOS_BUILD as 'deprecated'

[GF-3283] nyx-lib: Rename NYX_OS_INFO_WEBOS_BUILD to NYX_OS_INFO_WEBOS_BUILD_ID

Open-webOS-DCO-1.0-Signed-off-by: Pekka Ropo <pekka.ropo@palm.com>

Change-Id: Ia4a33894deed81a2d8a47c19e8fa30580b919f02