Fix app headers in settings

Use SettingsPreferenceFragment's method for pinned headers where
possible, and add a frame within the fragment for them to live in
otherwise so that this view doesn't end up on the activity.

Bug: 20886475
Change-Id: I985eb1497744ea50bfabed862e5088eb89df5b61

src/com/android/settings/applications/AppInfoWithHeader.java

@@ -34,7 +34,7 @@ public abstract class AppInfoWithHeader extends AppInfoBase {
         }
         mCreated = true;
         if (mPackageInfo == null) return;
-        AppHeader.createAppHeader(getActivity(), mPackageInfo.applicationInfo.loadIcon(mPm),
-                mPackageInfo.applicationInfo.loadLabel(mPm), null);
+        AppHeader.createAppHeader(this, mPackageInfo.applicationInfo.loadIcon(mPm),
+                mPackageInfo.applicationInfo.loadLabel(mPm), null, 0);
     }
 }