Enforce RTM_GETLINK restrictions on all apps

Extend existing restrictions targeting only apps with API level >= 30 to
all apps.

To be merged when automerge to sc-dev ends.

Bug: 170188668
Test: atest bionic-unit-tests-static
Test: atest NetworkInterfaceTest
Test: Connect to Wi-Fi network
Test: atest CtsSelinuxTargetSdk27TestCases
Test: atest CtsSelinuxTargetSdk28TestCases
Test: atest CtsSelinuxTargetSdk29TestCases
Test: atest CtsSelinuxTargetSdkCurrentTestCases
Change-Id: Ibd6b9f1e23f12320f3bec782cdd7a6837013597a
4 files changed