Continue to migrate Activtiy/Fragment to androidx.

Bug: 176975115
Bug: 174691340

Test: Manual
Change-Id: I2a32bf0b3a4dfbdf09f9b925e91f72142aa33cf7
32 files changed
tree: 9bad27c4fd5c92be2ae34be6107fefd516590689
  1. Settings/
  2. TwoPanelSettingsLib/
  3. Android.bp
  4. OWNERS
  5. PREUPLOAD.cfg