Migrate away from deprecated Truth APIs. am: 041b499d83 am: f3eb6ad182

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/localepicker/+/1437940

Change-Id: I237542386f191156d3a71e2ed9f63006880a07cb
tree: b30b3e9aa1e5b8935ee03acc552ab8279dc5ef61
  1. Android.bp
  2. AndroidManifest.xml
  3. res/
  4. src/
  5. tests/