Use gitiles_commit in go binaries rather than manifest commit.

Currently all go binaries assume we are reading from the private
manifest. Update to use gitiles_commit so it can determine whether to
get the private or public manifest.

TEST=./run_tests and local runs

Change-Id: Ib1c7803780c9741de3d1037f25fabfaf3457ea44
Reviewed-by: Sean Abraham <>
Reviewed-by: David Burger <>
Commit-Queue: Navil Perez <>
Tested-by: Navil Perez <>
7 files changed