Merge "Fix to handle segv in impd_filter_banks_process" am: e5c5475c98 am: 060e1f9a11 am: 3ed0b59dc6 am: 207c438c0c am: f901ed5fe7

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

Change-Id: I07fa5637e34781a52a390f60e677f9f9f7154169