Update uiautomator references in frameworks/base/tests/Input

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

Bug: 235842600
Test: presubmit
Change-Id: I3b7c6aed1d9cd0deee9deb7b8f284bd03508b66a
diff --git a/tests/Input/Android.bp b/tests/Input/Android.bp
index de9bbb6..a92a6ae 100644
--- a/tests/Input/Android.bp
+++ b/tests/Input/Android.bp
@@ -21,7 +21,7 @@
         "services.core.unboosted",
         "testables",
         "truth-prebuilt",
-        "ub-uiautomator",
+        "androidx.test.uiautomator_uiautomator",
     ],
     test_suites: ["device-tests"],
 }
diff --git a/tests/Input/src/com/android/test/input/AnrTest.kt b/tests/Input/src/com/android/test/input/AnrTest.kt
index 1d65cc3..8025406 100644
--- a/tests/Input/src/com/android/test/input/AnrTest.kt
+++ b/tests/Input/src/com/android/test/input/AnrTest.kt
@@ -27,14 +27,15 @@
 import android.os.SystemClock
 import android.provider.Settings
 import android.provider.Settings.Global.HIDE_ERROR_DIALOGS
-import android.support.test.uiautomator.By
-import android.support.test.uiautomator.UiDevice
-import android.support.test.uiautomator.UiObject2
-import android.support.test.uiautomator.Until
 import android.testing.PollingCheck
 import android.view.InputDevice
 import android.view.MotionEvent
 
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiDevice
+import androidx.test.uiautomator.UiObject2
+import androidx.test.uiautomator.Until
+
 import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue