[automerger skipped] Allow only AID_ROOT to inject certificate am: e951685d...

[automerger skipped] Allow only AID_ROOT to inject certificate am: e951685d am: 2150192b am: e0a1598e -s ours am: d774cc52 -s ours

am skip reason: Change-Id If71c0171bc4347979e278752fc49877359f056b7 with SHA-1 26dc2b0a is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/11882409

Change-Id: I8a3ea7d104606171eed66e9dd949a400aba1c104