Remove ShadowActivityThread.

Removed this as a troubleshooting step towards fixing NPE test failures, and it turns out we don't need it anymore for tests to pass! Connecting the dots of what changed where and when is getting expensive, but I think the failures were somehow related to ag/6531701.

Fixes: 129854972

Test: RunCarSettingsRoboTests
Change-Id: Ie16fbf2167b6ae76ebb19d164cfa7e8d11e9010d
2 files changed
tree: fd2834e055d0768ae07d87c55cf956687c12b332
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg