Merge "Fix first notification of each app is not shown" into nyc-dev
am: c178f519b9

* commit 'c178f519b94b239aa02633dae7127e619f5b0aa6':
  Added accessibility action for scrolling the notifications
  Fixed a bug where the text directionality was inconsistent

Change-Id: I42fa93677ccd0d58d7b71f274f77af867f065ac4