Revert "CTS test for Android Security b/113527481"

Bug: 147236855
Test: sts-tradefed

This reverts commit 64c28a70bdec38beabbe078458a67997aeba4ed1.
diff --git a/tests/tests/security/res/raw/cve_2018_11285.flac b/tests/tests/security/res/raw/cve_2018_11285.flac
deleted file mode 100644
index 862b5e3..0000000
--- a/tests/tests/security/res/raw/cve_2018_11285.flac
+++ /dev/null
Binary files differ
diff --git a/tests/tests/security/src/android/security/cts/StagefrightTest.java b/tests/tests/security/src/android/security/cts/StagefrightTest.java
index f710d67..bf7acdd 100644
--- a/tests/tests/security/src/android/security/cts/StagefrightTest.java
+++ b/tests/tests/security/src/android/security/cts/StagefrightTest.java
@@ -1069,11 +1069,6 @@
      before any existing test methods
      ***********************************************************/
 
-    @SecurityTest(minPatchLevel = "2018-09")
-    public void testStagefrightANR_cve_2018_11285() throws Exception {
-        doStagefrightTestANR(R.raw.cve_2018_11285);
-    }
-
     @SecurityTest(minPatchLevel = "2019-09")
     public void testStagefright_cve_2019_10534() throws Exception {
         doStagefrightTest(R.raw.cve_2019_10534);