[inspector] support setTimeout in Debugger.scheduleStepIntoAsync method

test/inspector/debugger/schedule-step-into-async-set-timeout-expected.txt

Index: test/inspector/debugger/schedule-step-into-async-set-timeout-expected.txt
diff --git a/test/inspector/debugger/schedule-step-into-async-set-timeout-expected.txt b/test/inspector/debugger/schedule-step-into-async-set-timeout-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1aefc5e984f31279b81f71dd3e4e6ca783f116ee
--- /dev/null
+++ b/test/inspector/debugger/schedule-step-into-async-set-timeout-expected.txt
@@ -0,0 +1,36 @@
+Checks Debugger.scheduleStepIntoAsync with setTimeout.
+
+Running test: testSetTimeout
+paused at:
+debugger; #setTimeout(() => 1, 0);
+
+paused at:
+debugger; setTimeout(#() => 1, 0);
+
+
+Running test: testDebuggerStmtBeforeCallback1
+paused at:
+debugger; #setTimeout(() => 1, 0);debugger;
+
+paused at:
+debugger; setTimeout(() => 1, 0);#debugger;
+
+paused at:
+#debugger
+
+
+Running test: testDebuggerStmtBeforeCallback2
+paused at:
+debugger; setTimeout(() => 1#, 0);debugger;
+
+paused at:
+#debugger//should-break-here
+
+
+Running test: testSetTimeoutWithoutJS
+paused at:
+debugger; #setTimeout('}', 0);setTimeout('var a = 239;', 0);setTimeout('debugger', 0);
+
+paused at:
+#debugger
+