Add CTS test to assert sockets in hal exemption

Asserts that no HAL server domains are exempted from the prohibition of
socket use with the only exceptions for the automotive device type.

Bug: 78901167
Test: make cts && cts-tradefed run singleCommand cts --skip-device-info
--skip-preconditions --abi arm64-v8a --module CtsSecurityHostTestCases
-t android.security.cts.SELinuxHostTest

Change-Id: I991663abe56e99de325c226a51ca4fe0b9d39ec4
1 file changed