Allow adbd to access /proc/net/{tcp,tcp6,udp,udp6}

File accesses go through com.android.ddmlib.SyncService for CTS
ListeningPortsTest.

Bug: 201645790
Test: atest ListeningPortsTest
Ignore-AOSP-First: Fix already in AOSP
Change-Id: I0c66fb5e35cda3b1799cf003402e454d7a951e96
(cherry picked from commit 1a6b37d838459b3d46cc06e31bc3c2bf5e7c387f)
Merged-In:I0c66fb5e35cda3b1799cf003402e454d7a951e96
2 files changed