Merge "Don\'t display 1st-time dialog when disabling Data Saver." into nyc-dev
am: b5cc6af44f

* commit 'b5cc6af44ff69200c1693975c76d094bd46adb69':
  Don't display 1st-time dialog when disabling Data Saver.

Change-Id: I22204829f07d4f430d48b243f3db53c454c2d50e