DEPS: Add .git to libdrm URL Caused autoroller to fail with mismatched URL: ANGLE DEPS entry third_party/libdrm/src has a different URL ( https://chromium.googlesource.com/chromiumos/third_party/libdrm ) than Chromium ( https://chromium.googlesource.com/chromiumos/third_party/libdrm.git ). Bug: b/375167852 Change-Id: Ibef2c22745a776ab500f18a10d3ea94370567f57 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5966138 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Auto-Submit: Cody Northrop <cnorthrop@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>