Disable subcompactions for user_defined_timestamp (#10503)

Summary:
Currently user_defined_timestamp is failing in stress test with
subcompactions. So disabling it for now and will re enable it once its
fixed.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10503

Test Plan: make crash_test_with_ts -j32

Reviewed By: riversand963

Differential Revision: D38510485

Pulled By: akankshamahajan15

fbshipit-source-id: 82fd0ec8cf86a96ff6653edd5bad7623cb9e0a15

tools/db_crashtest.py

@@ -364,6 +364,12 @@ ts_params = {
     "enable_blob_files": 0,
     "use_blob_db": 0,
     "ingest_external_file_one_in": 0,
+    # TODO akanksha: Currently subcompactions is failing with user_defined_timestamp if
+    # subcompactions > 1, or
+    # compact_pri == 4 even if subcompactions is 1, there can still be multiple subcompactions.
+    # Remove this check once its fixed.
+    "subcompactions": 1,
+    "compaction_pri": random.randint(0, 3),
 }
 
 tiered_params = {