048bc5ea80b0b7b75988df2362945ea7cff59ed7
Adds Restricted Mode functionality to NetworkPolicyManager. When this mode is turned on (via setting), only apps with android.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS will be able to use the network. For all other apps, the network will be blocked by the firewall. This is controlled by a new allowlist firewall chain fw_restricted_mode. As a first step, this implementation still requires a reboot after the enabling / disabling the mode to take effect. I will provide the dynamic configuration in the next CL. Test: atest CtsHostsideNetworkTests && atest NetworkPolicyManagerServiceTest Bug: 170322816 Bug: 157505406 Bug: 170322455 Bug: 175281879 Exempt-From-Owner-Approval: Change already merged on internal gerrit. Change-Id: I0731fa842c69683953baaf9ec3a9a03454f4c607 Merged-In: I0731fa842c69683953baaf9ec3a9a03454f4c607
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