Upgrade toybox to 7eaddbdb9c1712801ddf131ed79ead0c981ffcb1

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/toybox
For more info, check https://cs.android.com/android/platform/superproject/main/+/main:tools/external_updater/README.md

Test: TreeHugger
Change-Id: I8aac33dc9cc205078c4b14716f81c7da6327ded8