Make StringPiece to be std::string_view alias

Bug: 237583012
Test: build + boot + UTs

Change-Id: I849831f4466d3b9c7ec842b75256e7fcba77a0c0
diff --git a/tools/aapt2/io/File.h b/tools/aapt2/io/File.h
index 422658a..08d497d 100644
--- a/tools/aapt2/io/File.h
+++ b/tools/aapt2/io/File.h
@@ -101,7 +101,7 @@
  public:
   virtual ~IFileCollection() = default;
 
-  virtual IFile* FindFile(const android::StringPiece& path) = 0;
+  virtual IFile* FindFile(android::StringPiece path) = 0;
   virtual std::unique_ptr<IFileCollectionIterator> Iterator() = 0;
   virtual char GetDirSeparator() = 0;
 };