Revert "[clang-tidy] Disable performance-no-int-to-ptr"

This reverts commit 6f528dd01fc5e80a6590ef729ed9302b11fa7fb6.

Reason for revert: errors fixed in DnsResolver commit bc7d6c0

Change-Id: Ieb2b4d6f4fc1e9967b4d37c0b0afc4ae43780006
1 file changed