Disable timezone e2e tests on qt-dev.

Test: atest --test-mapping system/apex/tests
Bug: 135515636

Merged-In: I32f25d28398ea584ba8ebffa350b4a84f05a32de
Change-Id: I9c6c2c7e1d5d03e3d9c057f72be453904d029638

tests/TEST_MAPPING

@@ -3,9 +3,10 @@
     {
       "name": "apex_targetprep_tests"
     },
-    {
-      "name": "timezone_data_e2e_tests"
-    },
+// TODO: add timezone_data_e2e_tests back once b/135515636 is fixed.
+//    {
+//      "name": "timezone_data_e2e_tests"
+//    }
     {
       "name": "CtsStagedInstallHostTestCases"
     }