Disable git's safe directory checking on Windows

This is needed for the new Docker-based Kokoro images on Windows.

Bug: http://b/278137784
Test: kokoro presubmit
Change-Id: I810205defc51c6289fe8016ee7f3e99ef9a69f2b
1 file changed
tree: 8b4e303b97f1596a6766ced554aa834ed77c46f6
  1. gen_manifest.py
  2. OWNERS