Use dynamic scaling depending on autocorr length to avoid signed integer overflow.

Bug: 186706541
Test: atest android.media.cts.DecoderTestAacFormat android.media.cts.DecoderTestXheAac android.media.cts.DecoderTestAacDrc
Change-Id: Ibc035ce2eafe4b0d98377d090adad77bbf5cbb5c
1 file changed