[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
1 file changed