Merge "Obtain handler from context in CaptioningManager" into mnc-dev

    /** Default scaling value for caption fonts. */

    private static final float DEFAULT_FONT_SCALE = 1;

    private final ArrayList<CaptioningChangeListener>

            mListeners = new ArrayList<CaptioningChangeListener>();

    private final Handler mHandler = new Handler();

    private final ArrayList<CaptioningChangeListener> mListeners = new ArrayList<>();

    private final ContentResolver mContentResolver;

    private final ContentObserver mContentObserver;

    /**

     * Creates a new captioning manager for the specified context.

     */

    public CaptioningManager(Context context) {

        mContentResolver = context.getContentResolver();

        final Handler handler = new Handler(context.getMainLooper());

        mContentObserver = new MyContentObserver(handler);

    }

    /**

        }

    }

    private final ContentObserver mContentObserver = new ContentObserver(mHandler) {

    private class MyContentObserver extends ContentObserver {

        private final Handler mHandler;

        public MyContentObserver(Handler handler) {

            super(handler);

            mHandler = handler;

        }

        @Override

        public void onChange(boolean selfChange, Uri uri) {

            final String uriPath = uri.getPath();