Make StringPiece to be std::string_view alias

Bug: 237583012
Test: build + boot + UTs

Change-Id: I849831f4466d3b9c7ec842b75256e7fcba77a0c0
diff --git a/tools/aapt2/ResourceParser.h b/tools/aapt2/ResourceParser.h
index 396ce97..012a056 100644
--- a/tools/aapt2/ResourceParser.h
+++ b/tools/aapt2/ResourceParser.h
@@ -122,7 +122,7 @@
   bool ParseAttr(xml::XmlPullParser* parser, ParsedResource* out_resource);
   bool ParseAttrImpl(xml::XmlPullParser* parser, ParsedResource* out_resource, bool weak);
   std::optional<Attribute::Symbol> ParseEnumOrFlagItem(xml::XmlPullParser* parser,
-                                                       const android::StringPiece& tag);
+                                                       android::StringPiece tag);
   bool ParseStyle(ResourceType type, xml::XmlPullParser* parser, ParsedResource* out_resource);
   bool ParseStyleItem(xml::XmlPullParser* parser, Style* style);
   bool ParseDeclareStyleable(xml::XmlPullParser* parser, ParsedResource* out_resource);