Set the SONAME to the library name without the major
version number appended, as android does not have the versioned
symlinks.

Change-Id: I41c504869019a393a3f112b2f7fc81c7ad5afa1c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>