Prevent OOB read in ce_t4t_process_select_file_cmd Bug: 140292264 Test: manual Merged-In: I6f6f1e5d30c85e16c9c24e902dd4fd68c62d7a00 Change-Id: I6f6f1e5d30c85e16c9c24e902dd4fd68c62d7a00