Change os-ansible-aio-build check settings

Only set the build check to run on the master branch in order to prevent
issues with tagging/branching and increase the build timeout to 120
mins in order to cater for new build requirements and further testing.

Change-Id: I8589bb7dddb5ec6836139eae9e5656ffb0b6d8ec
Merge "Change os-ansible-aio-build check settings"