Blacklist failing tests.

bug: 122642227
Test: run-libcore-tests
Change-Id: Ib273977cc50963582b70a34ba48fcee4744357c0
diff --git a/tools/libcore_failures.txt b/tools/libcore_failures.txt
index 3c65b01..3f9ceea 100644
--- a/tools/libcore_failures.txt
+++ b/tools/libcore_failures.txt
@@ -223,5 +223,17 @@
     "libcore.libcore.net.InetAddressUtilsTest#test_parseNonNumericAddress[8]",
     "libcore.libcore.net.InetAddressUtilsTest#test_parseNonNumericAddress[9]"
   ]
+},
+{
+  description: "Apex related",
+  result: EXEC_FAILED,
+  modes: [device],
+  bug: 122642227,
+  names: [
+    "libcore.java.lang.SystemTest#testSystemProperties_mutable",
+    "libcore.libcore.icu.TimeZoneIntegrationTest#testTimeZoneDataVersion",
+    "libcore.libcore.icu.TimeZoneIntegrationTest#testTimeZoneDebugInfo",
+    "libcore.libcore.icu.TimeZoneIntegrationTest#testTzDataSetVersions"
+  ]
 }
 ]