There is no 720p live stream. Swap the f4m
Code:
http://aztecalive-lh.akamaihd.net/z/0oxnvzh8a_1@175671/manifest.f4m?g=TBVSGQUAPBOP&hdcore=3.1.0&plugin=aasp-3.1.0.43.124
to
Code:
http://aztecalive-lh.akamaihd.net/i/0oxnvzh8a_1@175671/master.m3u8
and you'll see the qualities.
also if you paste the f4m link in adownloader you'll get it downloaded.