Merge "Decoder: Fix unsigned integer overflow" am: f7225b7fa5 am: e0d61485b2 am: ccf9bb47c0

Original change: https://android-review.googlesource.com/c/platform/external/libavc/+/1414511

Change-Id: I2da9b98260f69e9f8a9726f1c874e410716f8215