test: Mark test-stop-profile-after-done flaky

It is flaky on Windows and AIX. Some more time is needed to fix it.

PR-URL: https://github.com/nodejs/node/pull/14874#pullrequestreview-56752371
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

test/inspector/inspector.status

@@ -6,4 +6,9 @@ prefix inspector
 
 [true] # This section applies to all platforms
 
+[$system==aix]
+test-stop-profile-after-done: PASS, FLAKY
+
 [$system==win32]
+test-stop-profile-after-done: PASS, FLAKY
+