Allow setting values lower than MAX_ENTRIES_DEFAULT in max_cache_entries am:...

Allow setting values lower than MAX_ENTRIES_DEFAULT in max_cache_entries am: 016e344d am: f496bf0c am: 97b45889 am: 1cbc6550

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2623771



Change-Id: I6f2f4553cd934f399bd5f035f5e39d0a2dea4f96
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>