Merge "Update context object if split bounds changed" into tm-d1-dev

    /** Applies new configuration, returns {@code false} if there's no effect to the layout. */

    public boolean updateConfiguration(Configuration configuration) {

        // Always update configuration after orientation changed to make sure to render divider bar

        // with proper resources that matching screen orientation.

        final int orientation = configuration.orientation;

        if (mOrientation != orientation) {

            mContext = mContext.createConfigurationContext(configuration);

            mSplitWindowManager.setConfiguration(configuration);

            mOrientation = orientation;

        }

        // Update the split bounds when necessary. Besides root bounds changed, split bounds need to

        // be updated when the rotation changed to cover the case that users rotated the screen 180

        // degrees.

        // Make sure to render the divider bar with proper resources that matching the screen

        // orientation.

        final int rotation = configuration.windowConfiguration.getRotation();

        final Rect rootBounds = configuration.windowConfiguration.getBounds();

        if (mRotation == rotation && mRootBounds.equals(rootBounds)) {

        final int orientation = configuration.orientation;

        if (mOrientation == orientation

                && mRotation == rotation

                && mRootBounds.equals(rootBounds)) {

            return false;

        }

        mContext = mContext.createConfigurationContext(configuration);

        mSplitWindowManager.setConfiguration(configuration);

        mOrientation = orientation;

        mTempRect.set(mRootBounds);

        mRootBounds.set(rootBounds);

        mRotation = rotation;