[BiometricsV2] Rewrite Activity to Kotlin

Refactor FingerprintEnrollmentActivity as kotlin

Bug: 286197261
Test: atest FingerprintEnrollmentActivity
Test: atest biometrics-enrollment-test
Change-Id: I45d2db832b0111cb865b657aee56f84b0b295efa
diff --git a/tests/uitests/Android.bp b/tests/uitests/Android.bp
index d4f09a3..407b5ec 100644
--- a/tests/uitests/Android.bp
+++ b/tests/uitests/Android.bp
@@ -26,7 +26,10 @@
     platform_apis: true,
     certificate: "platform",
     test_suites: ["device-tests"],
-    srcs: ["src/**/*.java"],
+    srcs: [
+        "src/**/*.java",
+        "src/**/*.kt",
+    ],
 
     libs: [
         "android.test.runner",
@@ -34,6 +37,7 @@
     ],
 
     static_libs: [
+        "androidx.test.ext.junit",
         "androidx.test.rules",
         "androidx.test.uiautomator_uiautomator",
         "app-helpers-core",