Exclude flaky TestScheduleMultipleCallbacksRunsInDelayOrder from presubmit

Keep test running in postsubmit until it's fixed, but exclude it from presubmit target to avoid demoting the entire module.

Change-Id: I8f244902f1b1dd11ba510fd87cf597ea49da2b5f
Fix: 331559255
Bug: 293623689
Test: N/A
diff --git a/services/vibratorservice/TEST_MAPPING b/services/vibratorservice/TEST_MAPPING
index 63a2bd0..81c37b0 100644
--- a/services/vibratorservice/TEST_MAPPING
+++ b/services/vibratorservice/TEST_MAPPING
@@ -3,9 +3,13 @@
     {
       "name": "libvibratorservice_test",
       "options": [
-        // TODO(b/293603710): Fix flakiness
         {
+          // TODO(b/293603710): Fix flakiness
           "exclude-filter": "VibratorCallbackSchedulerTest#TestScheduleRunsOnlyAfterDelay"
+        },
+        {
+          // TODO(b/293623689): Fix flakiness
+          "exclude-filter": "VibratorCallbackSchedulerTest#TestScheduleMultipleCallbacksRunsInDelayOrder"
         }
       ]
     }