[inspector] use creation stack trace as parent for async call chains

test/inspector/debugger/collect-old-async-call-chains-expected.txt

Index: test/inspector/debugger/collect-old-async-call-chains-expected.txt
diff --git a/test/inspector/debugger/collect-old-async-call-chains-expected.txt b/test/inspector/debugger/collect-old-async-call-chains-expected.txt
index e3a8842fde722c32f749cbf581a971ba3a3ca6f7..64fef4af77edcb74d1f6b47f4e518bd133e410cf 100644
--- a/test/inspector/debugger/collect-old-async-call-chains-expected.txt
+++ b/test/inspector/debugger/collect-old-async-call-chains-expected.txt
@@ -7,11 +7,11 @@ actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(1024)
 Run expression 'console.trace(42)' with async chain len: 2
-actual async chain len: 2
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(1024)
 Run expression 'console.trace(42)' with async chain len: 5
-actual async chain len: 5
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(1024)
 Run expression 'console.trace(42)' with async chain len: 1
@@ -47,11 +47,11 @@ actual async chain len: 0
 Running test: testOneLimit
 inspector.setMaxAsyncTaskStacks(1)
 Run expression 'console.trace(42)' with async chain len: 1
-actual async chain len: 0
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(1)
 Run expression 'console.trace(42)' with async chain len: 2
-actual async chain len: 0
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(1)
 Run expression 'console.trace(42)' with async chain len: 1
@@ -65,7 +65,7 @@ actual async chain len: 1
 Running test: testTwoLimit
 inspector.setMaxAsyncTaskStacks(2)
 Run expression 'console.trace(42)' with async chain len: 1
-actual async chain len: 0
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(2)
 Run expression 'console.trace(42)' with async chain len: 2
@@ -73,7 +73,7 @@ actual async chain len: 0
 
 inspector.setMaxAsyncTaskStacks(2)
 Run expression 'console.trace(42)' with async chain len: 3
-actual async chain len: 0
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(2)
 Run expression 'console.trace(42)' with async chain len: 1
@@ -99,7 +99,7 @@ actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(3)
 Run expression 'console.trace(42)' with async chain len: 3
-actual async chain len: 0
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(3)
 Run expression 'console.trace(42)' with async chain len: 1
@@ -143,11 +143,11 @@ actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(5)
 Run expression 'console.trace(42)' with async chain len: 2
-actual async chain len: 2
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(5)
 Run expression 'console.trace(42)' with async chain len: 3
-actual async chain len: 2
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(5)
 Run expression 'console.trace(42)' with async chain len: 1
@@ -167,7 +167,7 @@ actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(6)
 Run expression 'console.trace(42)' with async chain len: 2
-actual async chain len: 2
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(6)
 Run expression 'console.trace(42)' with async chain len: 3
@@ -191,11 +191,11 @@ actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(7)
 Run expression 'console.trace(42)' with async chain len: 2
-actual async chain len: 2
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(7)
 Run expression 'console.trace(42)' with async chain len: 3
-actual async chain len: 3
+actual async chain len: 1
 
 inspector.setMaxAsyncTaskStacks(7)
 Run expression 'console.trace(42)' with async chain len: 1