Fixed signaling of AAC SBR explicit in DASH (cf #121)
Fixed signaling of AAC SBR explicit in DASH (cf #121)

epam/gpac,aymanelyaagoubi/gpac,ARSekkat/gpac,RodolpheFouquet/gpac,Bevara/Access-open,nguyen-viet-thanh-trung/gpac,ARSekkat/gpac,rauf/gpac,rbouqueau/gpac,vladimir-kazakov/gpac,rauf/gpac,gpac/gpac,emmanouil/gpac,ARSekkat/gpac,drakeguan/gpac,aymanelyaagoubi/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,nguyen-viet-thanh-trung/gpac,epam/gpac,RodolpheFouquet/gpac,emmanouil/gpac,rbouqueau/gpac_brew_travis,DmitrySigaev/gpac,vladimir-kazakov/gpac,psteinb/gpac,porcelijn/gpac,rauf/gpac,ARSekkat/gpac,psteinb/gpac,gpac/gpac,RodolpheFouquet/gpac,aymanelyaagoubi/gpac,porcelijn/gpac,rauf/gpac,emmanouil/gpac,gpac/gpac,Bevara/Access-open,rbouqueau/gpac,porcelijn/gpac,RodolpheFouquet/gpac,DmitrySigaev/gpac,epam/gpac,aymanelyaagoubi/gpac,psteinb/gpac,psteinb/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac,ARSekkat/gpac,gpac/gpac,ARSekkat/gpac,DmitrySigaev/gpac,drakeguan/gpac,porcelijn/gpac,rauf/gpac,epam/gpac,vladimir-kazakov/gpac,RodolpheFouquet/gpac,vladimir-kazakov/gpac,psteinb/gpac,DmitrySigaev/gpac,drakeguan/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,epam/gpac,rbouqueau/gpac,vladimir-kazakov/gpac,porcelijn/gpac,DmitrySigaev/gpac,DmitrySigaev/gpac,aymanelyaagoubi/gpac,psteinb/gpac,drakeguan/gpac,rbouqueau/gpac,emmanouil/gpac,emmanouil/gpac,vladimir-kazakov/gpac,aymanelyaagoubi/gpac,porcelijn/gpac,nguyen-viet-thanh-trung/gpac,nguyen-viet-thanh-trung/gpac,epam/gpac,emmanouil/gpac,drakeguan/gpac,rbouqueau/gpac,rbouqueau/gpac,rbouqueau/gpac_brew_travis,nguyen-viet-thanh-trung/gpac,gpac/gpac,Bevara/Access-open,rauf/gpac,rbouqueau/gpac_brew_travis,gpac/gpac,drakeguan/gpac,RodolpheFouquet/gpac,rbouqueau/gpac_brew_travis,Bevara/Access-open