Revert^2 "Fix profile saver hotness for AOT code"

Added diagnostic to debug flakiness.

Test: test/run-test --always-clean  -O --prebuild --optimizing --no-relocate --runtime-option -Xcheck:jni --64  2230-profile-save-hotness

Bug: 139883463

This reverts commit 775d38d8492ba8c60dba968064d6e0ac44e0b372.

Change-Id: Ia0b45791be4c5c3a990bb030f5d68cef577b4474
diff --git a/test/knownfailures.json b/test/knownfailures.json
index 4f119a8..2611077 100644
--- a/test/knownfailures.json
+++ b/test/knownfailures.json
@@ -502,7 +502,8 @@
             "909-attach-agent",
             "924-threads",
             "981-dedup-original-dex",
-            "1900-track-alloc"
+            "1900-track-alloc",
+            "2230-profile-save-hotness"
         ],
         "description": ["Tests that require exact knowledge of the deoptimization state, the ",
                         "number of plugins and agents, or breaks other openjdkjvmti assumptions."],
@@ -1093,7 +1094,8 @@
           "1940-ddms-ext",
           "1945-proxy-method-arguments",
           "1946-list-descriptors",
-          "1947-breakpoint-redefine-deopt"
+          "1947-breakpoint-redefine-deopt",
+          "2230-profile-save-hotness"
         ],
         "variant": "jvm",
         "bug": "b/73888836",