Revert "modify build_android.sh to recognize "i386" as x86 as well"
Revert "modify build_android.sh to recognize "i386" as x86 as well"

This reverts commit ca154f65c3da3022b1b84a7fb8ca9831da26d726.

MisterRager/AndroidFFmpeg,MisterRager/AndroidFFmpeg,MisterRager/AndroidFFmpeg,MisterRager/AndroidFFmpeg