Set progress bar to 0 when done so that will not come back as full

Change-Id: I766e852d029168433a0d47c93dc3110a053f712c
diff --git a/src/com/android/settings/TrustedCredentialsSettings.java b/src/com/android/settings/TrustedCredentialsSettings.java
index 55a0010..687663a 100644
--- a/src/com/android/settings/TrustedCredentialsSettings.java
+++ b/src/com/android/settings/TrustedCredentialsSettings.java
@@ -251,8 +251,9 @@
                 mCertHolders.addAll(certHolders);
                 notifyDataSetChanged();
                 View content = mTabHost.getTabContentView();
-                content.findViewById(mTab.mProgress).setVisibility(View.GONE);
-                content.findViewById(mTab.mList).setVisibility(View.VISIBLE);
+                mProgressBar.setVisibility(View.GONE);
+                mList.setVisibility(View.VISIBLE);
+                mProgressBar.setProgress(0);
             }
         }
     }