fix: Applications with implicit sdk versioning lose that information

- This is a temporary hack to keep application building, but will not
 work due to missing nearly all resources.
 - refs: #1761

brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java

@@ -691,6 +691,10 @@ public class Androlib {
             if (inputFile.isDirectory()) {
                 continue;
             }
+            if (! inputFile.isFile()) {
+                LOGGER.warning(String.format("File could not be located: %s", normalizedPath));
+                continue;
+            }
 
             LOGGER.fine(String.format("Copying uncompressed asset: %s", normalizedPath));
             ZipEntry newEntry = getStoredZipEntry(normalizedPath, inputFile);