LICENSE was copied from top level crate LICENSE.md
file of zune-inflate which is zune-image.

Request Document: go/android-rust-importing-crates
For CL Reviewers: go/android3p#cl-review
For Build Team: go/ab-third-party-imports
Bug: 353383591
Test: Tested locally in aosp_uefi-gbl-mainline.

Change-Id: I27760c6ac84dac9d8c7047ebc7d3726626754cf0