Merge "Use uint64_t instead of size_t when calculating extent size to avoid...

Merge "Use uint64_t instead of size_t when calculating extent size to avoid overflow" into main am: b3c9db48 am: 42fcc93b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3307217



Change-Id: Ic22662edff5521d33c3f734cfae6647c80f0bce7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>