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

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

Change-Id: I57f6811a02d3cacf4f1396af178f637f27fc7396