Change the type of wait_for_pending_req_timeout_count from vector to int am:...

Change the type of wait_for_pending_req_timeout_count from vector to int am: c0b025cf am: 3a8e7be9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2253597



Change-Id: I32f9d055f7f27224449d8f4bc81e7c006cea9393
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>