Fix copybara include path substitutions errors (which break the google3 build) arising from clang-format linter automation

.clang-format

@@ -1,6 +1,5 @@
 ---
 Language:        Cpp
-# BasedOnStyle:  Google
 AccessModifierOffset: -1
 AlignAfterOpenBracket: Align
 AlignArrayOfStructures: None
@@ -211,7 +210,7 @@ RequiresClausePosition: OwnLine
 RequiresExpressionIndentation: OuterScope
 SeparateDefinitionBlocks: Leave
 ShortNamespaceLines: 1
-SortIncludes:    CaseSensitive
+SortIncludes:    Never
 SortJavaStaticImport: Before
 SortUsingDeclarations: LexicographicNumeric
 SpaceAfterCStyleCast: false

DEVELOPERS.md

@@ -83,6 +83,14 @@ A `.clang-format` configuration is provided with our defaults, please run source
 files through `clang-format` (or a formatter that produces equivalent behavior)
 before finalizing PR for submission.
 
+The `.clang-format` is the google style (as of feb 27 2024), except with 
+`SortIncludes` set to `false` to avoid breaking copybara path substitutions 
+which rely on adjacent comments.
+
+For transparency, `.clang-format` can be reproduced using the 
+`make_clang_format_config.sh` script in `utils/` run with `clang-format` version
+17.0.6.
+
 ## Compile-Time Flags (Advanced)
 
 There are several compile-time flags to be aware of (note these may or may not 

gemma.h

@@ -29,10 +29,10 @@
 // copybara:import_next_line:gemma_cpp
 #include "configs.h"  // kSeqLen
 // copybara:import_next_line:gemma_cpp
+#include "util/args.h"  // ArgsBase
 #include "hwy/aligned_allocator.h"
 #include "hwy/base.h"  // hwy::bfloat16_t
 #include "hwy/contrib/thread_pool/thread_pool.h"
-#include "util/args.h"  // ArgsBase
 // copybara:import_next_line:sentencepiece
 #include "src/sentencepiece_processor.h"
 

util/make_clang_format_config.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Reproduces .clang-format file.
+clang-format -style="{BasedOnStyle: Google, SortIncludes: false}" -dump-config > .clang-format