DO NOT MERGE: InputSettings: Fix incorrect keyboard list on rotation.

This ports I1e4035f4dcff33e6b9a42d448303e962bd87c14b to MR1 dev.

Bug: 28182232
Change-Id: I292b00a21eb80577dbfec6a13f57b326571aefc7

src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java

@@ -212,9 +212,9 @@ public final class PhysicalKeyboardFragment extends SettingsPreferenceFragment
             clearLoader();
             mLastHardKeyboards.clear();
             mLastHardKeyboards.addAll(newHardKeyboards);
+            mLoaderIDs.add(mNextLoaderId);
             getLoaderManager().initLoader(mNextLoaderId, null,
                     new Callbacks(getContext(), this, mLastHardKeyboards));
-            mLoaderIDs.add(mNextLoaderId);
             ++mNextLoaderId;
         }
     }