libhelix-aac: add -fno-sanitize=undefined to avoid runtime error

libhelix-aac/assembly.h:480:52: runtime error: left shift of 589488976 by 2 places cannot be represented in type 'int'
    #0 0x6b3045a in CLZ libhelix-aac/assembly.h:480
    #1 0x6b44b8a in ScaleNoiseVector libhelix-aac/pns.c:179
    #2 0x6b46d06 in raac_PNS libhelix-aac/pns.c:342
    #3 0x6b2a965 in AACDecode libhelix-aac/aacdec.c:493
    #4 0x5bf5852 in aac_decode_frame ffmpeg/libavcodec/libhelix-aac.c:107
    #5 0x5badbec in decode_simple_internal ffmpeg/libavcodec/decode.c:307
    #6 0x5badbec in decode_simple_receive_frame ffmpeg/libavcodec/decode.c:515
    #7 0x5badbec in decode_receive_frame_internal ffmpeg/libavcodec/decode.c:536
    #8 0x5bb3075 in avcodec_send_packet ffmpeg/libavcodec/decode.c:604
    #9 0x5e512c8 in movie_async_read_frame ffmpeg/libavfilter/src_movie_async.c:716
    #10 0x5e512c8 in movie_async_proc_dat ffmpeg/libavfilter/src_movie_async.c:812
    #11 0x5e512c8 in movie_async_thread ffmpeg/libavfilter/src_movie_async.c:924
    #12 0x3811b89 in pthread_startup pthread/pthread_create.c:59
    #13 0x6741663 in pthread_start pthread/pthread_create.c:139
    #14 0x344f3d8 in pre_start sim/sim_initialstate.c:52

Signed-off-by: qiaohaijiao1 <qiaohaijiao1@xiaomi.com>

Author: qiaohaijiao

libhelix-aac/Makefile

@@ -55,6 +55,6 @@ ASRCS += libhelix-aac/sbrqmfsk.s
 AFLAGS += -Wa,-mimplicit-it=thumb
 endif
 
-CFLAGS += -DUSE_DEFAULT_STDLIB
+CFLAGS += -DUSE_DEFAULT_STDLIB -fno-sanitize=undefined
 
 include $(APPDIR)/Application.mk