[app][tests] remove most of the printf warnings
[app][tests] remove most of the printf warnings

GCC doesn't understand %D and %U and still warns about that.

ErikCorryGoogle/lk,pablomarx/lk,M1cha/lk,grub4android/lk,M1cha/lk,hollanderic/lkstuff,GCrean/lk,hollanderic/lkstuff,M1cha/lk,sndnvaps/lk,nvll/lk,skabet/lk,srodrig1/lk,hollanderic/lkstuff,travisg/lk,GCrean/lk,srodrig1/lk,GCrean/lk,skabet/lk,nvll/lk,skabet/lk,minglun-tsai/lk,srodrig1/lk,sndnvaps/lk,grub4android/lk,minglun-tsai/lk,GCrean/lk,pablomarx/lk,minglun-tsai/lk,skabet/lk,skabet/lk,grub4android/lk,grub4android/lk,pablomarx/lk,nvll/lk,littlekernel/lk,srodrig1/lk,ErikCorryGoogle/lk,GCrean/lk,ianloic/lk,travisg/lk,ErikCorryGoogle/lk,pablomarx/lk,littlekernel/lk,travisg/lk,M1cha/lk,srodrig1/lk,nvll/lk,littlekernel/lk,littlekernel/lk,ErikCorryGoogle/lk,grub4android/lk,M1cha/lk,pablomarx/lk,hollanderic/lkstuff,nvll/lk,sndnvaps/lk,ianloic/lk,sndnvaps/lk,sndnvaps/lk,minglun-tsai/lk,ianloic/lk,travisg/lk,ianloic/lk