Fix for array bound overflow in ia_gain_set_params_struct.

Max value of
str_p_loc_drc_coefficients_uni_drc->gain_set_count_plus
is used as index without checking for upper bound.
Hence added a check here.

Bug:144665190
Test:poc in bug

Change-Id: Ibd8dfe91910eb4d7548cf3236065eb38121b60c8
1 file changed