Update Android port

Update Android port

* src/sfnt.c (sfnt_multiply_divide_signed):
(struct sfnt_interpreter_zone):
(struct sfnt_graphics_state):
(struct sfnt_interpreter):
(sfnt_mul_f2dot14):
(sfnt_interpret_trap):
(WCVTF):
(ALIGNPTS):
(sfnt_scale_by_freedom_vector):
(sfnt_interpret_utp):
(sfnt_address_zp2):
(sfnt_address_zp1):
(sfnt_address_zp0):
(sfnt_check_zp2):
(sfnt_move_zp0):
(sfnt_move_zp1):
(sfnt_move_glyph_zone):
(sfnt_move_twilight_zone):
(sfnt_direct_move_zp2):
(sfnt_interpret_alignpts):
(sfnt_interpret_isect):
(sfnt_line_to_vector):
(sfnt_deltac):
(sfnt_interpret_mdap):
(sfnt_interpret_call):
(sfnt_dot_fix_14):
(sfnt_move_x):
(sfnt_move_y):
(sfnt_move):
(sfnt_validate_gs):
(sfnt_interpret_shz):
(sfnt_interpret_shc):
(sfnt_interpret_shp):
(sfnt_interpret_iup_1):
(sfnt_interpret_iup):
(sfnt_interpret_run):
(sfnt_interpret_font_program):
(sfnt_interpret_control_value_program):
(sfnt_interpret_simple_glyph):
(jrot_test_args):
(jrof_test_args):
(all_tests):
(main): Check in more WIP code.