[RESTRICT AUTOMERGE] Updated CTS test for Android Security b/64550583

Updated the return code to return EXIT_FAILURE when the test exits before hitting the vulnerability

Bug: 64550583
Bug: 72323167
Test: Ran the new testcase and observed test fail on android-8.0.0_r11
      and pass on android-8.1.0_r39

Change-Id: I8b7bc1b0da4b6ad18d0e39ba9250da7950472077
Merged-In: I8b7bc1b0da4b6ad18d0e39ba9250da7950472077
1 file changed