This implements the `llvm-debuginfod-find` tool, which wraps the Debuginfod library (D112758) to query debuginfod servers for artifacts according to the [[ https://www.mankier.com/8/debuginfod#Webapi | specification ]]. Reviewed By: labath Differential Revision: https://reviews.llvm.org/D112759
This reverts commit 350fe22f2a7f16791f9269fd50f1fca1e7fa74d1 because it caused buildbot breakages (https://lab.llvm.org/buildbot/#/builders/91/builds/387).