Do not write past end of inotify event structure. am: 855803fd am:...

Do not write past end of inotify event structure. am: 855803fd am: 1da92190 am: d68122fa am: 639f3159

Original change: https://googleplex-android-review.googlesource.com/c/platform/bootable/recovery/+/16034931

Change-Id: I9bce73beec691264ec336d3c1e933433a56ee881