Fix the parceling of the ServiceStartArgs

Bug: 283391058
Test: atest CtsAppTestCases:ServiceTest
Change-Id: Ifd95f0eccc0d2a960efee26d9af337352b5187c7
diff --git a/core/java/android/app/ServiceStartArgs.java b/core/java/android/app/ServiceStartArgs.java
index 0b000af5..9c52367 100644
--- a/core/java/android/app/ServiceStartArgs.java
+++ b/core/java/android/app/ServiceStartArgs.java
@@ -49,7 +49,7 @@
     public void writeToParcel(Parcel out, int flags) {
         out.writeInt(taskRemoved ? 1 : 0);
         out.writeInt(startId);
-        out.writeInt(flags);
+        out.writeInt(this.flags);
         if (args != null) {
             out.writeInt(1);
             args.writeToParcel(out, 0);