Merge "MPEG4Writer:use 64bit version fallocate/ftruncate" into rvc-dev am: a1ab111f60 am: 2fe326652b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11979427

Change-Id: I0761032f0a14fb066d5af6663bd5e081ba257798