gbl-chainload v2.2.2

Highlights:

• All ZIPs: Reworked UI, user prompts, and changed up device directory.
• ZIP mode-1 installer: Auto graft recovery.
• Add host tool instructions, and vbmeta graft python wrapper.

Fixes:

• Fastboot menu warns user correctly about ungrafted partitions now.

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What's Changed

Other

• fix(avb): fastboot menu warning matches diag broken-chain verdict by @1vivy in #38
• Merge recovery graft into mode-1 OTA ZIP flow by @1vivy in #39

Full Changelog: v2.2.1...v2.2.2