SDK: Upstream changes to GoB. - Build scripts check for valid configurations. - Check for longer paths for git on Windows.
SDK: Upstream changes to GoB.
- Build scripts check for valid configurations.
- Check for longer paths for git on Windows.

Bug: 190510505
Change-Id: I4a5b9ba735a9288d9c250d08c064bbbf521f0e42

google-research/falken,google-research/falken,google-research/falken,google-research/falken,google-research/falken,google-research/falken,google-research/falken