Revert "Update expectation after D8 update"

Revert submission 2118691-r8-4.0.9-dev

Reason for revert: b/235364715
Reverted Changes:
I4c28109c7:Update D8 and R8 to 4.0.9-dev
I624867c88:Update expectation after D8 update

Change-Id: I01f96e184a89dfde73703d38e734b9ff3ac75e27
diff --git a/test/450-checker-types/src/Main.java b/test/450-checker-types/src/Main.java
index a90d24a..c54d93a 100644
--- a/test/450-checker-types/src/Main.java
+++ b/test/450-checker-types/src/Main.java
@@ -743,7 +743,7 @@
   /// CHECK-START: void Main.testLoopPhiWithNullFirstInput(boolean) builder (after)
   /// CHECK-DAG:  <<Null:l\d+>>      NullConstant
   /// CHECK-DAG:  <<Main:l\d+>>      NewInstance klass:Main exact:true
-  /// CHECK-DAG:  <<LoopPhi:l\d+>>   Phi [<<Null>>,<<LoopPhi>>,<<Main>>] klass:Main exact:true
+  /// CHECK-DAG:  <<LoopPhi:l\d+>>   Phi [<<Null>>,<<Main>>,<<LoopPhi>>] klass:Main exact:true
   private void testLoopPhiWithNullFirstInput(boolean cond) {
     Main a = null;
     while (a == null) {