onBlockedStatusChanged is intruduced for network blocked status.
The changes in this patch are:
- Test onBlockedStatusChanged which tells apps whether the
network is blocked.
- Fixed the tests which is affected by the order changed in
onAvailable.
Test: as follows
- runtest frameworks-net
- runtest -x NetworkPolicyManagerServiceTest.java
Bug: 74575553
Change-Id: I383c037ed895ef69c478dc3cff69fb1e27c42845
96612aedb1