am fbbdbc2d: Merge "Fix setting action bar home-as-up from AB style" into jb-dev

        mContextDisplayMode = mActionView.isSplitActionBar() ?

                CONTEXT_DISPLAY_SPLIT : CONTEXT_DISPLAY_NORMAL;

        // This was initially read from the action bar style

        final int current = mActionView.getDisplayOptions();

        final boolean homeAsUp = (current & DISPLAY_HOME_AS_UP) != 0;

        if (homeAsUp) {

            mDisplayHomeAsUpSet = true;

        }

        ActionBarPolicy abp = ActionBarPolicy.get(mContext);

        setHomeButtonEnabled(abp.enableHomeButtonByDefault());

        setHomeButtonEnabled(abp.enableHomeButtonByDefault() || homeAsUp);

        setHasEmbeddedTabs(abp.hasEmbeddedTabs());

    }