Update system-tests to 1c9542783eedfed1b995d976963fbeb14ba772b9 (#7526)

Author: smola

.circleci/config.continue.yml.j2

@@ -36,7 +36,7 @@ instrumentation_modules: &instrumentation_modules "dd-java-agent/instrumentation
 debugger_modules: &debugger_modules "dd-java-agent/agent-debugger|dd-java-agent/agent-bootstrap|dd-java-agent/agent-builder|internal-api|communication|dd-trace-core"
 profiling_modules: &profiling_modules "dd-java-agent/agent-profiling"
 
-default_system_tests_commit: &default_system_tests_commit 20b61e9be1e8c922804f8e5ddc80ba4a1f4cdd5b
+default_system_tests_commit: &default_system_tests_commit 1c9542783eedfed1b995d976963fbeb14ba772b9
 
 parameters:
   nightly: