Migrate to androidx namespace for support library.

Also, fix the tests so that they point to the correct resources.

Test: build CarSetupWizard and ensured to breakages
Test: build CarSetupSampleOverlay and ensured no breakages
Test: Run setupwizardlib tests.
Bug: 77601495
Change-Id: Ie9a88039f0f049c4f917c1001ba4a669c055690c
4 files changed
tree: 3477baffdcb0f070d35c4080eec2f56017026bca
  1. library/
  2. PREUPLOAD.cfg