example: time: using agnostic function for ODP threads
example: time: using agnostic function for ODP threads

time is changed to use the implementation agnostic ODP thread
create and join functions, from helpers.
time is hence no longer aware on how the odpthread is
implemented.

Signed-off-by: Christophe Milard <99616a981fa4477cda708a70f78076761c0c9f1c@linaro.org>
Reviewed-by: Brian Brooks <8e906ed46ccdc37d68771658f0f8f8740a374927@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

dkrot/odp,ravineet-singh/odp,dkrot/odp,nmorey/odp,mike-holmes-linaro/odp,nmorey/odp,dkrot/odp,ravineet-singh/odp,nmorey/odp,mike-holmes-linaro/odp,nmorey/odp,dkrot/odp,erachmi/odp,ravineet-singh/odp,ravineet-singh/odp,erachmi/odp,erachmi/odp,mike-holmes-linaro/odp,mike-holmes-linaro/odp,erachmi/odp