Fix for Segmentation fault in ixheaacd_reset_acelp_data_fix func.

In ixheaacd_dec_main(),ixheaacd_config() returned from ixheaacd_read_bit_buf()
due to setjmp/longjmp changes which resulted in ixheeacd_decode_create() not
being called which is needed to initialize many pointers which in turn resulted in
Segementation fault.

As a fix, added a flag decode_create_done which will tell the status of
ixheeacd_decode_create() func and ixheaacd_usac_process will be called
based on this flag.

Bug: 123908264
Bug: 123908335
Bug: 123975056
Test: poc
Change-Id: I929f70650ddc963c11e5d674b12abc0100e1b076