config: force lf as line endings

this allows sharing repo on windows running a linux container

BUG=b:308883445
TEST=on windows ran
       py .\tools\dev_container tools/presubmit line_endings

Change-Id: Ief73f1ad2da201dac0337711d0c4f706a936f7a6
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5008193
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Commit-Queue: Vikram Auradkar <auradkar@google.com>

.gitattributes

@@ -0,0 +1,15 @@
+*.rs text eol=lf
+*.py text eol=lf
+*.js text eol=lf
+*.md text eol=lf
+*.toml text eol=lf
+*.lock text eol=lf
+*.proto text eol=lf
+.dockerignore text eol=lf
+*.json text eol=lf
+*.h text eol=lf
+.gitignore text eol=lf
+.gitmodules text eol=lf
+.yml text eol=lf
+config text eol=lf
+*.svg text eol=lf

tools/custom_checks

@@ -45,6 +45,7 @@ CRLF_LINE_ENDING_FILES: List[str] = [
     "**.bat",
     "**.ps1",
     "e2e_tests/tests/goldens/backcompat_test_simple_lspci_win.txt",
+    "tools/windows/build_test",
 ]
 
 
@@ -59,7 +60,7 @@ def check_line_endings(*files: str):
     "Checks line endings. Windows only files are using clrf. All others just lf."
     for line in cmd("git ls-files --eol", *files).lines():
         parts = line.split()
-        file = parts[3]
+        file = parts[-1]
         index_endings = parts[0][2:]
         wdir_endings = parts[1][2:]