Print preview disappearing if printer is changed.

This is a regression caused by my previous patch.

Change-Id: I80a0b4d880fd4e48e6a44fac303a4c8204e8ec0d
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java b/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
index a54334a..35930cd 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
@@ -463,7 +463,8 @@
                     }
                     Intent intent = new Intent(PdfManipulationService.ACTION_GET_RENDERER);
                     intent.setClass(mContext, PdfManipulationService.class);
-                    intent.setData(Uri.fromParts("fake-scheme", String.valueOf(hashCode()), null));
+                    intent.setData(Uri.fromParts("fake-scheme", String.valueOf(
+                            AsyncRenderer.this.hashCode()), null));
                     mContext.bindService(intent, AsyncRenderer.this, Context.BIND_AUTO_CREATE);
                     mBoundToService = true;
                 }