Update uiautomator references in packages/apps/Contacts/tests

* Remove unused dependencies.
* Replace "ub-uiautomator" (v2.2.0) with
  "androidx.test.uiautomator_uiautomator" (v2.3.0).

Bug: 235842600
Test: presubmit
Change-Id: I6ff90695eff8e8a9a7b71f5adbc46218cbd74316
3 files changed