Merge "Fix a bug in last access time computation." into sc-dev am: 6096c421

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13577794

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If3b0286d678e6d2c593d3aa676a7d88b234fdc33