[Android] Add an out-of-app instrumentation driver APK.

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 710da4ae7b1700ccd62a2e03461837ed4142c403..b3a1b648eeb64b98a621291aafe5b22e0db1e365 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -1459,6 +1459,7 @@ if (is_android) {
   android_library("base_java_test_support") {
     deps = [
       ":base_java",
+      "//testing/android/reporter:reporter_java",
     ]
     DEPRECATED_java_in_dir = "test/android/javatests/src"
   }