Move the test template to //testing/test.gni (part 2)

ui/android/BUILD.gn

Index: ui/android/BUILD.gn
diff --git a/ui/android/BUILD.gn b/ui/android/BUILD.gn
index f74ba7e386f4bbfcc50713e3a7a0d3a23b677e75..4a3da8d90b20f0d9612dd6d4ab065ec7c988401c 100644
--- a/ui/android/BUILD.gn
+++ b/ui/android/BUILD.gn
@@ -1,4 +1,5 @@
 import("//build/config/android/rules.gni")
+import("//testing/rules.gni")
 
 assert(is_android)
 
@@ -148,18 +149,10 @@ test("ui_android_unittests") {
     "//base/test:test_support",
     "//cc",
     "//skia",
-    "//testing/android:native_test_native_code",
     "//testing/gtest",
     "//ui/base",
     "//ui/gfx",
     "//ui/resources:ui_test_pak",
   ]
-}
-
-unittest_apk("ui_android_unittests_apk") {
-  deps = [
-    ":ui_android_unittests",
-    ":ui_java",
-  ]
-  unittests_dep = ":ui_android_unittests"
+  apk_deps = [ ":ui_java" ]
 }