[GH] Support empty commits in AMD configuration in Github
[GH] Support empty commits in AMD configuration in Github

Necessary as we don't currently support following through changes filed
on some merge commits, so we can end up with empty list of changed
files.

Test: GH workflow runs

This is an imported pull request from https://github.com/androidx/androidx/pull/220.

Resolves #220
Github-Pr-Head-Sha: 3374b7f06452e51099cdb9cf889fa7a0669b5b22
GitOrigin-RevId: 375b7d27e93231b50e2f7d25b988bc96737e61c1
Change-Id: I64242537fedf535a96ded4b2b6b6667e1399faa7

AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx