Move third_party/yapf to flutter/third_party/yapf. (flutter/engine#48847)

As part of eliminating the Flutter buildroot
(https://github.com/flutter/flutter/issues/67373), we are moving all
third-party dependencies from `//third_party` to
`//flutter/third_party`.

DEPS

@@ -314,7 +314,7 @@ deps = {
   'src/third_party/boringssl':
    Var('dart_git') + '/boringssl_gen.git' + '@' + Var('dart_boringssl_gen_rev'),
 
-  'src/third_party/yapf':
+  'src/flutter/third_party/yapf':
   Var('github_git') + '/google/yapf' + '@' + '212c5b5ad8e172d2d914ae454c121c89cccbcb35',
 
   'src/third_party/boringssl/src':

engine/src/flutter/ci/licenses_golden/excluded_files

@@ -1073,6 +1073,7 @@
 ../../../flutter/third_party/wuffs/release/c/README.md
 ../../../flutter/third_party/wuffs/script
 ../../../flutter/third_party/wuffs/sync.txt
+../../../flutter/third_party/yapf
 ../../../flutter/tools
 ../../../flutter/tools/licenses/.dart_tool
 ../../../flutter/tools/licenses/.gitignore
@@ -3194,7 +3195,6 @@
 ../../../third_party/vulkan_memory_allocator/src
 ../../../third_party/vulkan_memory_allocator/tools
 ../../../third_party/web_dependencies/canvaskit
-../../../third_party/yapf
 ../../../third_party/zlib/.git
 ../../../third_party/zlib/CMakeLists.txt
 ../../../third_party/zlib/DIR_METADATA

engine/src/flutter/ci/licenses_golden/tool_signature

@@ -1,2 +1,2 @@
-Signature: 8063c36f273a2ca0d4db5f05f9d5991a
+Signature: 9c9e9d44a47e4d85f1debd69bc795b40
 

engine/src/flutter/tools/licenses/lib/paths.dart

@@ -96,6 +96,7 @@ final Set<String> skippedPaths = <String>{
   r'flutter/third_party/txt/third_party/fonts',
   r'flutter/third_party/wuffs/docs',
   r'flutter/third_party/wuffs/script',
+  r'flutter/third_party/yapf', // only used for code formatting
   r'flutter/tools',
   r'flutter/web_sdk', // this code is not linked into Flutter apps; it's only used by engine tests and tools
   r'fuchsia/sdk/linux/docs',
@@ -212,7 +213,6 @@ final Set<String> skippedPaths = <String>{
   r'third_party/vulkan_memory_allocator/src',
   r'third_party/vulkan_memory_allocator/tools',
   r'third_party/web_dependencies/canvaskit', // redundant; covered by Skia dependencies
-  r'third_party/yapf', // only used for code formatting
   r'third_party/zlib/contrib/minizip/miniunz.c', // sample file
   r'third_party/zlib/contrib/minizip/minizip.c', // sample file
   r'tools', // not distributed in binary

engine/src/flutter/tools/yapf.bat

@@ -11,6 +11,6 @@ REM work across all platforms!
 REM
 REM --------------------------------------------------------------------------
 
-SET yapf_path=%~dp0\..\..\third_party\yapf
+SET yapf_path=%~dp0\..\..\flutter\third_party\yapf
 
 cmd /V /C "SET PYTHONPATH=%yapf_path%&& vpython3 %yapf_path%\yapf %*"

engine/src/flutter/tools/yapf.sh

@@ -35,6 +35,6 @@ function follow_links() (
 
 SCRIPT_DIR=$(follow_links "$(dirname -- "${BASH_SOURCE[0]}")")
 SRC_DIR="$(cd "$SCRIPT_DIR/../.."; pwd -P)"
-YAPF_DIR="$(cd "$SRC_DIR/third_party/yapf"; pwd -P)"
+YAPF_DIR="$(cd "$SRC_DIR/flutter/third_party/yapf"; pwd -P)"
 
 PYTHONPATH="$YAPF_DIR" python3 "$YAPF_DIR/yapf" "$@"