We already have tests that verify this but these new tests
launch the activity repeatedly a few times and verify the
network access as there are multiple race conditions
involving AMS, NPMS and the app that could result in an
inconsistent network rules state.
Bug: 226299593
Test: atest atest tests/cts/hostside/src/com/android/cts/net/HostsideConnOnActivityStartTest
Change-Id: I6372820fd2b21ebd759a3c44c7280c6699726bde
Merged-In: I6372820fd2b21ebd759a3c44c7280c6699726bde
fc8ba515da