Migrate the homepage fragment to use preferences and preference controllers.

Removes suggestion code that was replaced in ag/5172561 as the homepage was the only consumer.

Bug: 112931076

Test: build, deploy, navigate to each setting, verify suggestion appears.
Change-Id: I405f9ed8b65d5898da7e2059c96f698a490b4c8a
8 files changed
tree: 7ffbc10f72e6e92cd6874b1157b365d9eeeef5ed
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg