Not abort when the function is not found in dns_helper.so am: d6b2e5bf am:...

Not abort when the function is not found in dns_helper.so am: d6b2e5bf am: ef114590 am: 3ed83c51

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2887028



Change-Id: I516855fe1594ef62d26686fefb106d50c902a5a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>