Sandbox tflite-support genrules

go/roboleaf-busy-beavers-sandboxing

Bug: 307824623
Test: ./build/soong/tests/genrule_sandbox_test.py tflite_support_metadata_schema tflite_support_spm_config tflite_support_spm_encoder_config
Change-Id: Iab64f9f3125977685a5aa1ccffb093a68e4ac68b