Merge "libFLAC: Fix integer overflow in FLAC__lpc_restore_signal" am: bcd1d77fdb am: 05fbb134ca am: a6a9755cb1 am: f05b7fa98e

Original change: https://android-review.googlesource.com/c/platform/external/flac/+/1450436

Change-Id: I467c147b9f27e2a1566b1b29c52432a15d98bec1