[RESTRICT AUTOMERGE] Updated CTS test for Android Security b/38328132 Updated the return code to return EXIT_FAILURE when the test exits before hitting the vulnerability Bug: 38328132 Bug: 72406611 Test: Ran the new testcase on android-8.0.0_r11 with/without patch Change-Id: I7a0e544ad41c503ba3bf9b7f4d41a74575b74118