Removed unnecessary Android support library from sample project.
Removed unnecessary Android support library from sample project.

SteadfastInnovation/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,frnde/libhpdf-AndroidLibrary,SteadfastInnovation/libhpdf-AndroidLibrary