Add BUILD_ID environment variable support

[aditya-wazir]

This commit adds support for the BUILD_ID environment variable. If set, it will be used to construct the build info.

[svasudevprasad]

/gcbrun

[marktefftech]

@aditya-wazir is BUILD_ID used elsewhere, or is this a net-new environment variable being introduced?

Asking because I believe the ClusterFuzz team is wanting to reduce dependency on env variables over the longer-term, so if there's any other way to accomplish this without adding a new env var, we would want to consider that approach first.

Correct me if I understand incorrectly @jonathanmetzman

[aditya-wazir]

@aditya-wazir is BUILD_ID used elsewhere, or is this a net-new environment variable being introduced?

Asking because I believe the ClusterFuzz team is wanting to reduce dependency on env variables over the longer-term, so if there's any other way to accomplish this without adding a new env var, we would want to consider that approach first.

Correct me if I understand incorrectly @jonathanmetzman

Hi @marktefftech ,
BUILD_ID is a new environment variable introduced by us to send BUILD ID directly through clusterfuzz run command. we are doing this so that the build can be configured via ATP tests. Without this, there is no mechanism to update the build id used for a test.

[jonathanmetzman]

if build_id

[jonathanmetzman]

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