Store project_id for instance actions

When packing values to store for an instance action, include the project
id from the request context.  This allows tracking which tenant has
performed an action.

Bug 1155801

Change-Id: I07b986655581fd6fbfdced90eb3151019f18ada7
Merge "Store project_id for instance actions"
Merge remote-tracking branch 'm_src_repo/master' into build-temp