Make StringPiece to be std::string_view alias

Bug: 237583012
Test: build + boot + UTs

Change-Id: I849831f4466d3b9c7ec842b75256e7fcba77a0c0
diff --git a/tools/aapt2/text/Printer.h b/tools/aapt2/text/Printer.h
index f399f8e..f7ad98b 100644
--- a/tools/aapt2/text/Printer.h
+++ b/tools/aapt2/text/Printer.h
@@ -31,8 +31,8 @@
   explicit Printer(::aapt::io::OutputStream* out) : out_(out) {
   }
 
-  Printer& Print(const ::android::StringPiece& str);
-  Printer& Println(const ::android::StringPiece& str);
+  Printer& Print(android::StringPiece str);
+  Printer& Println(android::StringPiece str);
   Printer& Println();
 
   void Indent();