Make StringPiece to be std::string_view alias

Bug: 237583012
Test: build + boot + UTs

Change-Id: I849831f4466d3b9c7ec842b75256e7fcba77a0c0
diff --git a/tools/aapt2/ResourceTable_test.cpp b/tools/aapt2/ResourceTable_test.cpp
index 0cf8473..54b98d1 100644
--- a/tools/aapt2/ResourceTable_test.cpp
+++ b/tools/aapt2/ResourceTable_test.cpp
@@ -187,7 +187,7 @@
 static ::testing::AssertionResult VisibilityOfResource(const ResourceTable& table,
                                                        const ResourceNameRef& name,
                                                        Visibility::Level level,
-                                                       const StringPiece& comment) {
+                                                       StringPiece comment) {
   std::optional<ResourceTable::SearchResult> result = table.FindResource(name);
   if (!result) {
     return ::testing::AssertionFailure() << "no resource '" << name << "' found in table";