Temporarily remove BackupRestoreEventLogger test from presubmit

The test is failing in presubmit but is fine in postsubmit. Remove from
presubmit pending investigation.

Bug: 273295079
Test: m -j
Change-Id: I56fc17277160e5e32d1a89ea7fc959ac6d210b5b
diff --git a/services/backup/TEST_MAPPING b/services/backup/TEST_MAPPING
index e5395831..e153230 100644
--- a/services/backup/TEST_MAPPING
+++ b/services/backup/TEST_MAPPING
@@ -9,7 +9,13 @@
       ]
     },
     {
-      "name": "CtsBackupTestCases"
+      "name": "CtsBackupTestCases",
+      "options": [
+        {
+          // Remove from presubmit until b/273295079 is resolved.
+          "exclude-filter": "android.backup.cts.BackupRestoreEventLoggerTest"
+        }
+      ]
     }
   ],
   "postsubmit": [