Merge "mpeg4_enc_fuzzer: Fix sizeof() bugs" am: 0eafd57556 am: e8133c1542 am: 5e8c23fe50

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1507898

Change-Id: If39bde666e75b9700af1478046629bec4fb4985e