[gn build] Format all gn files

$ git ls-files '*.gn' '*.gni' | xargs llvm/utils/gn/gn.py format

llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/concurrency/BUILD.gn

@@ -4,9 +4,9 @@ static_library("concurrency") {
   deps = [
     "//clang-tools-extra/clang-tidy",
     "//clang-tools-extra/clang-tidy/utils",
-    "//clang/lib/Analysis",
     "//clang/lib/AST",
     "//clang/lib/ASTMatchers",
+    "//clang/lib/Analysis",
     "//clang/lib/Basic",
     "//clang/lib/Lex",
     "//clang/lib/Serialization",

llvm/utils/gn/secondary/clang/test/BUILD.gn

@@ -164,11 +164,11 @@ group("test") {
     "//llvm/tools/llvm-symbolizer:symlinks",
     "//llvm/tools/opt",
     "//llvm/tools/split-file",
+    "//llvm/tools/yaml2obj",
     "//llvm/utils/FileCheck",
     "//llvm/utils/count",
     "//llvm/utils/llvm-lit",
     "//llvm/utils/not",
-    "//llvm/tools/yaml2obj",
   ]
   if (clang_enable_arcmt) {
     deps += [

llvm/utils/gn/secondary/llvm/lib/DebugInfo/PDB/BUILD.gn

@@ -32,11 +32,11 @@ static_library("PDB") {
     "Native/NativeEnumInjectedSources.cpp",
     "Native/NativeEnumLineNumbers.cpp",
     "Native/NativeEnumModules.cpp",
-    "Native/NativeEnumTypes.cpp",
     "Native/NativeEnumSymbols.cpp",
+    "Native/NativeEnumTypes.cpp",
     "Native/NativeExeSymbol.cpp",
-    "Native/NativeInlineSiteSymbol.cpp",
     "Native/NativeFunctionSymbol.cpp",
+    "Native/NativeInlineSiteSymbol.cpp",
     "Native/NativeLineNumber.cpp",
     "Native/NativePublicSymbol.cpp",
     "Native/NativeRawSymbol.cpp",