Import mtools 4.0.26 am: beaee834ae am: 7bd31827ed am: fe28525eb7 Original change: https://android-review.googlesource.com/c/platform/external/mtools/+/1606537 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: Ia53f8cba4dbc6356f4974d62cec295e4d2525ce3