Merge "Don't use View ID to search next focus backward View"

                return findViewInsideOutShouldExist(root, mNextFocusForwardId);

            case FOCUS_BACKWARD: {

                if (mID == View.NO_ID) return null;

                final int id = mID;

                return root.findViewByPredicateInsideOut(this, new Predicate<View>() {

                    @Override

                    public boolean test(View t) {

                        return t.mNextFocusForwardId == id;

                        return t.findViewById(t.mNextFocusForwardId) == View.this;

                    }

                });

            }