BackupAgent-related lifecycle APIs need to be oneway

Bad Things(tm) happen if some of the lifecycle interfaces on IActivityThread are
oneway but others are not [notably, out-of-order method delivery, i.e.
catastrophe].  This change makes the methods added for backup-agent management
oneway like the rest of the API.
diff --git a/core/java/android/app/ApplicationThreadNative.java b/core/java/android/app/ApplicationThreadNative.java
index a3c6325..5335239 100644
--- a/core/java/android/app/ApplicationThreadNative.java
+++ b/core/java/android/app/ApplicationThreadNative.java
@@ -524,7 +524,8 @@
         data.writeInterfaceToken(IApplicationThread.descriptor);
         app.writeToParcel(data, 0);
         data.writeInt(backupMode);
-        mRemote.transact(SCHEDULE_CREATE_BACKUP_AGENT_TRANSACTION, data, null, 0);
+        mRemote.transact(SCHEDULE_CREATE_BACKUP_AGENT_TRANSACTION, data, null,
+                IBinder.FLAG_ONEWAY);
         data.recycle();
     }
 
@@ -532,7 +533,8 @@
         Parcel data = Parcel.obtain();
         data.writeInterfaceToken(IApplicationThread.descriptor);
         app.writeToParcel(data, 0);
-        mRemote.transact(SCHEDULE_DESTROY_BACKUP_AGENT_TRANSACTION, data, null, 0);
+        mRemote.transact(SCHEDULE_DESTROY_BACKUP_AGENT_TRANSACTION, data, null,
+                IBinder.FLAG_ONEWAY);
         data.recycle();
     }