fix disappearing account list on resume

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/java/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -291,7 +291,6 @@ public abstract class DrawerActivity extends ToolbarActivity
      * initializes and sets up the drawer header.
      */
     private void setupDrawerHeader() {
-        mIsAccountChooserActive = false;
         mAccountMiddleAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_middle);
         mAccountEndAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_end);