Move convertToResPath from libutils to aapt.

Test: m libaapt
Bug: 295394788
Change-Id: I3225f2cd28ff0e1c3e396d0b336e51b9a8caa1f9
diff --git a/tools/aapt/Package.cpp b/tools/aapt/Package.cpp
index 965655b..a7ff5fa 100644
--- a/tools/aapt/Package.cpp
+++ b/tools/aapt/Package.cpp
@@ -8,6 +8,7 @@
 #include "OutputSet.h"
 #include "ResourceTable.h"
 #include "ResourceFilter.h"
+#include "Utils.h"
 
 #include <androidfw/misc.h>
 
@@ -226,7 +227,7 @@
             fprintf(stderr, "warning: null file being processed.\n");
         } else {
             String8 storagePath(entry.getPath());
-            storagePath.convertToResPath();
+            convertToResPath(storagePath);
             if (!processFile(bundle, zip, storagePath, entry.getFile())) {
                 return UNKNOWN_ERROR;
             }