Make StringPiece to be std::string_view alias

Bug: 237583012
Test: build + boot + UTs

Change-Id: I849831f4466d3b9c7ec842b75256e7fcba77a0c0
diff --git a/tools/aapt2/link/ManifestFixer_test.cpp b/tools/aapt2/link/ManifestFixer_test.cpp
index 8d1a647..7180ae6 100644
--- a/tools/aapt2/link/ManifestFixer_test.cpp
+++ b/tools/aapt2/link/ManifestFixer_test.cpp
@@ -61,12 +61,12 @@
             .Build();
   }
 
-  std::unique_ptr<xml::XmlResource> Verify(const StringPiece& str) {
+  std::unique_ptr<xml::XmlResource> Verify(StringPiece str) {
     return VerifyWithOptions(str, {});
   }
 
-  std::unique_ptr<xml::XmlResource> VerifyWithOptions(
-      const StringPiece& str, const ManifestFixerOptions& options) {
+  std::unique_ptr<xml::XmlResource> VerifyWithOptions(StringPiece str,
+                                                      const ManifestFixerOptions& options) {
     std::unique_ptr<xml::XmlResource> doc = test::BuildXmlDom(str);
     ManifestFixer fixer(options);
     if (fixer.Consume(mContext.get(), doc.get())) {