Merge "m4v_h263: Fix integer-overflow in idct_vca.cpp" am: 46c5b63046 am: f903a227cd am: 6e6d15a1b5

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1465989

Change-Id: I96ba2d0eb64191c8cf715e78894f9013304aa366