Make the app header bar more consistent.

- Don't include info link if just came from app info page
- include back button on app info page when launched from header
Bug: 22203029

Change-Id: I737332a487c41e0a93d161b55659700a1f936844

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

@@ -363,7 +363,7 @@ public class ManageApplications extends InstrumentedFragment
         super.onViewCreated(view, savedInstanceState);
         if (mListType == LIST_TYPE_STORAGE) {
             FrameLayout pinnedHeader = (FrameLayout) mRootView.findViewById(R.id.pinned_header);
-            AppHeader.createAppHeader(getActivity(), null, mVolumeName, null, pinnedHeader);
+            AppHeader.createAppHeader(getActivity(), null, mVolumeName, null, -1, pinnedHeader);
         }
     }