cherry-pick bundle_test.cc: Disable LoadBundleWithDocumentsAlreadyPulledFromBackend (#972)

Author: dconeybe

firestore/integration_test_internal/src/bundle_test.cc

@@ -277,6 +277,9 @@ TEST_F(BundleTest, LoadBundleWithDocumentsAlreadyPulledFromBackend) {
   // local run is fine. We need to figure out why and re-enable it.
   SKIP_TEST_ON_WINDOWS;
 
+  GTEST_SKIP() << "This test fails often on Android and iOS in GitHub Actions "
+                  "and needs to be investigated (b/233751585)";
+
   Firestore* db = TestFirestore();
   auto collection = db->Collection("coll-1");
   WriteDocuments(collection,