Merge "Fix to handle segv in impd_filter_banks_process" am: e5c5475c98 am: 060e1f9a11

Original change: https://android-review.googlesource.com/c/platform/external/libxaac/+/1425116

Change-Id: Ide76e7b6665f82c16d4df71c6c7db6c11cbd2d4c