Introduce QueryResult in GemmaEnv and add a shortcut for WrapAndToken… #2809

Job	Run time
bazel	6m 48s
macos-latest (make) Release	1m 48s
ubuntu-20.04 (make) Release	6m 26s
ubuntu-latest (make) Release	3m 48s
windows-latest (windows) Release	2m 5s
	20m 55s

Provide feedback