Fix build with ToT libc++

frameworks/native/cmds/installd/file_parsing.h:55:17: error: no matching constructor for initialization of 'std::ifstream' (aka 'basic_ifstream<char>')
   55 |   std::ifstream ifs(str_file);
      |                 ^   ~~~~~~~~

Test: Build with ToT libc++
Change-Id: I6aa9c173ea0acf633b1662f2118b9271000f6af4