Before aosp/3001087, getNetworkActiveInfo did not return network info
with blocked state for apps without PERMISSION_INTERNET even if the
network is actually blocked.
aosp/3001087 updated getNetworkActiveInfo to return correct blocked
state on V+.
However, this broke some apps that use getNetworkActiveInfo in wrong way
and depends on the previous behavior.
So this CL introduces the compat flag to keep previous behavior for apps
targeting U or older releases.
Test: TH
Bug: 333340911
Change-Id: I0e0950f2148de0ffdb45495903a5a87e0d4c1c0b
0b4be79e52