Move StringPool to libandroidfw

Test: verified affected tests pass
Bug: 232940948
Change-Id: I22089893d7e5013f759c39ce190bec07fa6435db
diff --git a/tools/aapt2/ValueTransformer_inline.h b/tools/aapt2/ValueTransformer_inline.h
index c6c07c0..4f8eadc 100644
--- a/tools/aapt2/ValueTransformer_inline.h
+++ b/tools/aapt2/ValueTransformer_inline.h
@@ -19,7 +19,7 @@
 
 namespace aapt {
 
-inline ValueTransformer::ValueTransformer(StringPool* new_pool) : pool_(new_pool) {
+inline ValueTransformer::ValueTransformer(android::StringPool* new_pool) : pool_(new_pool) {
 }
 
 template <typename Derived, typename Base>
@@ -44,4 +44,4 @@
 
 }  // namespace aapt
 
-#endif  // AAPT_VALUE_TRANSFORMER_IMPL_H
\ No newline at end of file
+#endif  // AAPT_VALUE_TRANSFORMER_IMPL_H