Ignore integer overflows in silk_noise_shape_quantizer_del_dec_sse4_1 am: ee6c24b39b am: 27dbaece42 am: 6fd20dd1f7

Original change: https://android-review.googlesource.com/c/platform/external/libopus/+/2184401

Change-Id: I52e437a3ee15e73ee38c42c82e7d82129410e518
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>