Merge "Use ArraySet instead of HashSet in IpReachabilityMonitor." into main am: 8d025f8dcf am: b572bc4127

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/3119238

Change-Id: I89c03d2aded6b8856d89f9e280e874d5604ccba0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>