tree c9d589a24a728315bd7416169f1a3c9a56e89c6e
parent aa410eba1d8bba558233677881e7626eb0761065
author Fan Zhang <zhfan@google.com> 1507589596 -0700
committer Fan Zhang <zhfan@google.com> 1507662739 -0700

Remove DevelopmentTileConfigActivity and clean up fragment.

- The tile activity is internal to Settings and nobody should launch it
  externally, thus it doesn't need to have its own activity. Preference
  framework can launch the fragment as a SubSetting

Fixes: 67603649
Test: robotests
Change-Id: I9ba2fc55eb7f571f816ec045567f2dd2714c44e8