[flutter_tool] Build a Fuchsia package (#32519)

diff --git a/packages/flutter_tools/lib/src/build_info.dart b/packages/flutter_tools/lib/src/build_info.dart
index 6db4f0e..c841d54 100644
--- a/packages/flutter_tools/lib/src/build_info.dart
+++ b/packages/flutter_tools/lib/src/build_info.dart
@@ -392,11 +392,16 @@
   return fs.path.join(getBuildDirectory(), 'web');
 }
 
-/// Returns the linux build output directory.
+/// Returns the Linux build output directory.
 String getLinuxBuildDirectory() {
   return fs.path.join(getBuildDirectory(), 'linux');
 }
 
+/// Returns the Fuchsia build output directory.
+String getFuchsiaBuildDirectory() {
+  return fs.path.join(getBuildDirectory(), 'fuchsia');
+}
+
 /// Returns directory used by incremental compiler (IKG - incremental kernel
 /// generator) to store cached intermediate state.
 String getIncrementalCompilerByteStoreDirectory() {